NATION _ WIDE RAPID EPIDEMIOLOGICAL MAPPING oF ONCHOCERCTASIS (REMO) REF,TNEMENT OF , , OCTOBER 30 - DECEMBER 13,2OOO

. MISSION REPORT

FOR

woru,o HEALTH ORGAI\TZATION (WHO) AFRTCAN PROGRAMME FOR ONCHOCERCIASTS CONTROL (APOC) OUAGADOUGOU, BI'RKINA FASO.

BY

DR B. E. B. NWOKE OYHO Temporary adviser) Professor of Medicawubtic Heau! rarasuotogt & Eniomologt School of Biological Sciences Imo Stote University, Nigeria PMB 2000 Owerri, Nlgeria Tel: (234) E3 230 69E

DECEMBER I2,2OOO , ::;' h ,l i;, ii a SUMMARY l.Onchoceiciasis in all the refined zones/areas of Sokoto,Zamfara, ii Adamawa,Kntsina, JigawnrNnsflrawa, Kaduna,Knno, Rnd States is not a serious public health problem to warrant CDTI strategy, II 2.Of the four outstanding LGAs in (Obowo,Ezinihitte,Ngor Okpala,Ahiazu and Abor),only n the zone of Ngor Okpala LGA is CDTI area. l-r 3.Only the northern part of Ovia and Ovia north west LGAs of (bordering Ondo il State) is a CDTI area. 4In Ondo State,,, and odrgbo LGAs wcre outstaldilg.'r5e present fi result showed that only Idnre LGA rone *ai GDTI area. U S.The two LGAs refined in (Ikole and oye) are all GDTI area ir 6'Eight LGAS were U refined in . onchocerciasis is serious within the zones of Ayeda Ade,Irepodun and Egbeofe LGAs.

7'Of ir the six outstanding LGAs in ,the zones of the northern LGAs of Irepo,olorunsogo,and oriri as wefl as Ido LGA are CDTI area.

Hadeji River E 9-91 th.e Basin of ,lg community were examined and 12(63%) of them had no onchocercal nodule.Five(72%) of the communities who were h positive onchocercal for nodule had l-9% nodie prevarece and onry one. TI community,Dagona had 2OYo nodule rate.This result will be made clearer when integrated into the Atlas h GIS. {r '9.A total of 43 communities were refined from six LGfu in :Balanga,Akko,Billiri,Nafada,Dukkil and Funakaya.Except in the zones of Akko and Dukku LcAs,'onchocerciasis is a serious probl.* in a[ the other LGAs a examined.

I2'REMO exercise was refined in 4l comminities in,2l LGAS in .of ir this,only the zones Bama of and Kala Balge LGAs are CDTI area.onchocerciasis is apparently absent or of low endemicity in ti'e other 19 LGAs in this Sahefian ,egion of Lake Chad h basin. l3.The'REMO exercise was conducted in ,,Bpuchi, Bogoro,Tafawa Balewa,Dass,Toro, and Duazo LGAs of iauchi state.A total of 35 h communities were rgfi.ned tl JHt study.The result showed that onchocerciasis was I absent n-16(46%) of them.onty the zone of Toro LGA has the disease endemicity to fi warrant CDTI approach. u h t u t

U LIST OF CONTENT

1.0 SUMMARY ------2

2.0 INTRODUCTION 4

3.0 MATERIALS AND METHODS 6

31 Study Area ()

3.2 Training 6

3.3

4.0 RESULTS AND DISCUSSION 8

5.0 REFERENCES 44

6.0 ACKNOWLEDGEMENT --.------. -45

7.0 APPENDTX ____-_ _ 46

7.1 Mission Schedule 46

7.2 List of NOCP Participants 47

7.3 List of National ScientistVConsultants ------'- 47 il 7.4 Refined REMO Data ------49 L+

2.O INTRODUCTION

Human onchocerciasis is a serious public health problem in Nigeria and other African countries (prost,l986;Nwoke,ileo; west od;iiy-;;;;g the..people at the end of the road" - the farmi'F.p^9P^YluJion who produce the urr[ oiou, food and industrial raw materials (Nwoke et at ilsl;. It is estimut.d thut about I I nrlilion Nrg;rt.;, .r; infected by the parasite and more than 100,000 are blinded by it *i,r, or".40 million at risk. with this picture, onchocerciasis is no long". a disease tnut ,touta be taken for granted in '

Fortunately, the advent of ivermectin (Mectizan) as an effective drug of scale treatmeltt of choice for large - onchocel'ciasis Itas revolutioniz-ed the Jir.ur. great ,la,agenrent an4 given hope for the contror. And with the wuo/apoC;;gy put in prace in the continent, there is greater.hope at sight for the.m"rtir. una successful control of this cluonic and debilitating disease.

APOC is committed,through partnership with.Ministry of Health (MoH) and various Non - Governmental DevJopment organizations fNcporl to control onchocerciasis in all endemic African countries through'mass iue.m".ti, j,'tTrro"o,i"n,,o point airiiii"uiSr. out here that there is general alreement that the drug should be distributed first to communities whose members are atiisk_of aereloping ihE r"u..e and disabling ocular dermal complication of onchocerciasis or lTaylor.et ir,- i,g;; This risk is accepted to be directly related to the intensity of infection in the;;;;ity (Remme et al, r989). Furthermore, the demonstration of good correration bd;;, the prevarence onchocercal nodules of and the skin m-icrofilariae i, u (Nwok e, r992b,wHo, 1992;1995) provideda.bre-akthrough "onr*rnity in_the.upia .pia..ioiogi"ut-- mapping of onchocerciasis @EMO) (Ngoumou-& Wulrh,'1993).--

Informed by the advantage of REMO in onchocerciasis control, uNICEF by 1993 lgg4 supported the first nation wide - - REMO exercise in the country with wHo providing technical guidance and logistic support. This pionee, *o.k hu, played a significant ourunderstanding ofthe role in disease puit"rn in the;r*" Gmade et al, l99g) (Fig. I) The APoc strategy is.community ownership of the contror efforts through mass treatment of a! high risk areavzones - lsing the community oirected Treatment with Ivermectin (CDTI) approach. However r"iJr."tir. pi.rr*g and implementation of the CDTI' APoc as a mitter of priority_requires *;p;.'d;ir. epidemiorogicar data generated using the wHo deveropid,na. upprorfi n i!;or;;i;i;-e;? Muiping or onchocerciasis (REMO) from aliendemic cbuntries. rn. nbnao results help to delineate the main onchocerciasis endemit ur.ur/rone-s tlrat ."quirc ibrr priority and at the time ensure adequate same coverage of all the high risk areas. Informed by this, wyglApoc, June g I0,l99g - organized a national workshop at wHo office, , on REMO/GIS on the definition;i46il'ffi.ty Dr' Nutral areas in Nigeria. with (crD/Hearth Map, Geneva) and Dr. No,,l B'giilepocr in attendance, a1 5

14. REMO was refrned in 60 communities from 16 LGAs of . Onchocerciasis is not a major public health pioblem in the state except at Danko Wasogun LGA (bordering southern )

15. Thirty communities were examined from 9 LGAs in . Only Omalaz;lne showed definite CpU communities.

I6. By the present ex€rcise, REMO was relined in 29 communities of 8 LGAs in . Onchocerciasis is endemic in allthe LGfu examined to warrant CDTI except Edu LGA.

17. Atotal of 83 communities from 8 LGAs in Tarabastatewere refined. The zones of Ibi, Gassol, Laq , and LGAs were not CDTI areas. Only the area of Ardokola was CDTI zone. The REMO exercise in southern part of Sarduana LGA showed that the lowland areas, especially within the Donga river basin are definite CDTI as recorded in the lgg3lg4 ngUO. On the other hand the present result showed that the cold higtrland communities around Gembu zone which hitherto were mapped definite CDTI by 1993t94 are not GDTI zone.

18 In , 3l communities were refined in l0 LGAs. Only communities within the zones of Bassa, Jos East and Pankshin LGAs are CDTI ureai. The other 7 LGAS are within the less endemic lowland zone of the State.

19. Akwa Ibom results showed that

1.0 b

the available REMO data were reviewed, analyzedand finally integrated with existing epidemiological the data. At.the *i.ortrrl *o[rr,"p,lr,. refined in map of GDTI areas Nigeria (based on the current REMO data then) *.r J[r.rrped and agreed upon by all the participating members of NorF as a true representative of the disease,s distribution as at June 10, 1998 (Fig. 2)

Furthermore the workshop observed that with the available data, there were areas/zones in the country where nrMo was not conducteJ,;;;;;s which needed and/or to be refined areavzones where trre data were inconrirt.ri *itr-, k;;*" epidemiologicauentomological information Th;;;rkffiin.r.rore recommended that for effective coverag-e, plTl1.s ana imptementation;i;il ongoing CDTI in the country, there was need to refine REMd in Nig.iia - to create a picture of the disease. It was in recognition of this necd that cricouraged "t.., Afoc ur,i1,o,t,.,.,-in tlie cllT.t srrategy to sponsor this mission. So the objectives oiry *irrion u,.1'

To train Nigerian N0TF scientists/consultants in Epidemiological Mapping onchocerciasis (REMo) ^Rapid of - to enable them successfully carry out independent exercise. REM9 To assist the national team conduct nation - wide REMO refinement in the delineate the country - to main onchocerciasis endemi" u..* ,t where *;.il;- --r-" - definite CDTI approacrr, and clinic - based strategy are to be adopted

3.0 MATERIALS AND METHODS 3.1 Study Area

Fig.2 shows the areas/zones in the country for the REMO refinement 3.2 Training

The first objective of this mission was capacity b_uilding Two different groups were trained: (l) National Scientists ana rvoci, stunuio Sraff detailed REMO training-war tzilcn The eir.nio th. Natiornar Scientisil and Nocp staffwho the rcn hearth"uunin #ffi::"ed ihe fiera whire.orau.ting the REM,

It is a statement of fact that alr the National scientists and Nocp staffare experienced and have at one time or the other been invqlved in onchocerciasis control in the country. This fact not withstanding, th..r*u, need for this training sinib REMo is a new and rr...ni Jiusnostic toor. Again, it is significant global standard of the procedure that the is ma]ntained for oulio* epidemiorogicar reasons. The eight - man national ,"i.ntirt, National un;;ffi'iloH staffred by the coordinator (see appendix) weretherefor" and detailed to a 3 - day intensive training aithe ionat ;6r;ln Kaduna. "*porra rr,ilir"iiirg covered a1 the aspects of the wHoiREMo documents Inaddition,thebiologyandecologvoi.r,.Vector,theepidemiology,6Ngoumou t w;r;h, rg93; wHO, I995) i: 5 r! ti iiF= Tt 61 i? rl u.: (trLJtr.( o II AJ? .9! i Z!

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clininopathological manifestations and socioeconomic impact of the disease, well as as the need and current control strategy, thb CDTI stiategy *er. disrursJ.' 3.3 Implementation

At theend training it was clear that every member had acquired the appropriate"{t.!.. pkill and procedure necessary to carry out successfuliy independent REMO exercise, Each national scientist *ur usig*a an area or states for REMO refinement' B.!1. leavirig for the field exercis.,"sarple villages were seiected and the states, NGDos and LGAs were inflormed and senstized for the exercise to enable them be ready with - staffand logistic suirport. with the time - table, adequate logistic and material support and efficient conrmunication, the national scierttists wcrtt.altead lbr the field bxercisc. Thc wiro adviser particrpated rn t5e exercise and also both plaved supervisory and facilitating role. At the end of the REMO .exercise, jhe results generated were impressive and consistent. Not withstanding the inherent difficulties and risks'associated with extensive and intensive vilrage studies, the REMo refinement i, trrc country was a huge success.

4.0 RESULTS AND DISCUSSION

4.1 (Tabte 2 )

a) LGAs mapped as Definite CDTI by 1998

l. Part of Yorro 5. Sarduana 9. Donga 2. Zing 6. Kurmi 10. Part of Karirn Lamido 3 Bali 7 I 1 . Part of fudokola 4. 8. Tukum

b) LGAs mapped as NO CDTI area l. 2 partoflbi

c) LGAs where REMO refine was conducted

l. Part of Ibi 5. Lau 2. Gassol 6. Part of Karim Lamido 3. Part of fudokola 7. Part of Yorro 4. Jalingo 8. Southern Sarduana to validate the 199311994 RAM exercise A total of 83 commu.nilie; from the LGfu in -eight Taraba were refined (Table 2) The results showed rTl[" zones of I6i, Gassor, r,*, i..i, Lamido, Jaringo,and Yorro LGAs are not .DTI. Two areas in ardokora L'cA ;;; definite GDTI. The REMo exercise in Southern part of Sarduana LGA showed that the low land t; 7 rl li rt ll cr' Q

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yeas.(wr]h a lot of breeding sites), especially within the Donga river basin are definite CDTI as recorded in the 1993194 REMO exercise. fhis is not uncommon becapse the same river, Donga river, and enviromental factors which are favoi[able to the breeding oIthe r""torc and transmission of the disease in Donga and Kurmi LGAs are also prevalent in this part of Sarduana LGA. On the other- hand, the present result showed that the highland communities around the Gembu zone which hitherto were mapped definite CDTI by lgg3lg4 are not cDTI zone. This result is consistent-with known epidemiologicll and entomological facts. Aq1in, Gembu highland, or rather the Mambila Flateau, is perhaps 6ne of the coldest areas in Nigeria. And such very cord weather conditions are known to inhibit breeding of flies and development of parasite in the flies. Similar results have been observed at gther very cold highlands such as on the Nyika highlands of Malawi (Nwoke et al, 1995)

4.2 KIYARA STATE (Iahte 3)

a. LGAs mapped as Definite CDTI by 1998

l. Baruten Z.pategi

b. LGAS mapped as NO CDTI area

None

c. LGAs where REMO refine was conducted

1 Ifelodun 5 Moro 9 Irepodun 2 Edu 6. Ekiti l0 Osin 3 Kaiama 7. Oke - ero I l.Asa 4 oyu n 8. East f(wara state is one of the foremost states in the country where distribution of ivermectin was carried out by Africarel A lot of oth.r'pr.vui"nce surveys have been carried out in this area. By the present exercise nBMo, was refined in 29 communities in the state(Tablb 3). While we await the intejration of this result into.the Atlas GIS, we wish to observe that onchocerciasis is endemic in the LGAs examined to warrant definite CDTI stiategy, .*."pi in trr" area of Edu LGA.

4.3 KEBBI STATE'(Table g' a. LGi{s mapped as Definite CDTI by l99g l. Part of Danko Wasagun 2. Part of t+

a! ll @ ru z O) (n 5 G) N) o @ o \I O) (Jl 5 (, N) (n 'Tt -{ x o o N z a o @ @ z o o C C 6) I r C n r -{ x n C x r z c) z m m o C n i = T C a z G) o C G) € 7 m ft r ul a x C) o o N o -Tlo G) o oU) C r ,6 m z 6) o6:tt't > ru Bq 1L 85 0) (O o, o 5 NJ crt N) C^) o, N) o, (, 5 A 5 (, o) N a tl 5 o IO o o o o O (o ii lc) lo o o lo lo o lo T1 7l O) C) O O l^ t^ qd5 9 a O O 6 O j C) Om S - 9 Ca I I alo 8H2 na ft tta: m!-C LI 6.3='oo) (, Go _Bci -T.l l II o) N) (}l N) (, O) N O) (, o s 5 5 C^) O) t\) 39 2n - U (O o) O) @ v(D - o o o P o o o o c) o o O N) a o o lo = iEt 5 o o o *-l o o O o o o o o o o -< .-,BP o-o-' (oo) rrn tJ (D mS aj -T.t o o o o IO o O O) (, N, lo lo t^lo o z o N) o o Cr) J O o o (Jt m N O (, --t e o o o, lc, o cXoai3 o (, ! o I I=i zm= .o) (oo, ;r (D @ z 5 NJ 5 N N (, N) O) (, 5 (, (, tI @ 5 5 Cr) N )12 o @ L)=r O) @ C}) ul @ o O o o ! (, o o o o o O (, o o o c-o : o O o o o o o o o o o o o- r? S o 1r \o: m -o) (oo) (D -a a tv (, (, I o o N N) N) N) z s (, (}) (, (, (, N) -n o -_J (, s T- \J --t I (D= o- o I o, o (Jt --l (Jl (,l o o o o O o o o o o (o ! G, o o o o o C) z c o o o o (D o of, @ o lr (1, (Jl fl o o o o (, o o o o o o A N o @ (rt I E G) I (D (o o- o I o o o o o o o o .o J=. 0) o o o o o o o N o (O o o o f, (D o I o I :t f, t\) o o (O o o- o c I a o o o o o 0) o o a o o o o o o o (, (D- (rt o :l (D o o o (, o. 5 I (o (D (D- a o) o o o o o o o o o o o o o o o o o-. f I \\ I o5 o I I t3 tllr II

b. LGAs ft mapped as NO CDTI area

1. 2. 3. tI c. LGfu where REMO refine was conducted

I, Aliero 5 Dandi 9. 13. Part of Danko Wasagun I 2. Arewa 6. 10. Part of Zuru 14.'Yauri 3. 7. Maiyama I L 15. Suru 4. fi 8. Shanga 12. 16. Koko Besse REMO refine was conducted in 60 communities of 16 LGAs of Kebbi state (Table 4) and the results showed that onchocerciasis is not a major public health problem in the state- Except at Danko wasagun LGA o;.ring.ni.*ic areas or Zamfara) which is drained by Culbin river, i-he othdr ti LGAs studied were not CDTI definite areas. These other less endemic areas are drained mainly by the sandy, fl9od plain - -like, sluggish Sokoto river (whictr empties into wigLr iiver at Gwamba). The Kebbi REMo result is not uncommon because this major river in.the .tysl:.* state (sokoto river) like most other river systems in this type of bioclimatic zone of the coun_try and indeed continent *. t"tnporury, and have shallow, valleys through lmdy 3na !9w the saherian zone. As a result they do not favourably support the breeding of vec-tor flies - t.n.. limited disease transmission' "".y The same similairesults have been recordedin rh;;;;;i.ii.uti" zone of nearby Niger, Chad and Cameroon.

4.4 KOGI STATE (Iabte S)

LGAs where REMO refine was conducted

l. Omala 6. Mopa - Muro 2. Bassa 7. Yagba East 3. Okehi 8. Lokoja Ijumu 4. 9. Kogi 5. Kalla - Buru

was difticulty.in getting lhere at th9 appropriate maps of Kogi state. This obscures our discussion on thi results notn. uo*rvei a total of 30 communities were examined in the study. of the 9 LGAS studied, onif o^uta area showed definite CDTI communities_(Table 5). The'results- will be made clearer when integrated into the Atlas GIS. ' tL rl

4.5 GOMBE STATE (Tahte 6)

f! a. LGAs It mapped as Definite CDTI by l99g

l. Shongom 3. Eastern Nafada 2. Eastern I Yamaltu - beba 4. Eastern Funakaye b. LGAs mapped as NO CDTI n area ti l. Western Yamaltu - Deba 4. Eastern i{kko 2. Western Funakaye 5. Kaltungo ft 3. Kwami

n c. LGAs where REMO refine was conducted U L Balanga 3 Akko ru 5. Western Nafada 2. Billiri 4. Dukku U 6. Western Funakaye The results on Table 6 showed that six LGAS were refined in Gombe state in this exercise' This covered 43 communities. II It is clear from these results that western Nafada, western Funakaye, Billiri and Balanga as well u. rrr. north eastern area of Dukku LGAs are definite CDTI zones. ekkJlcn i, noi"na.ri, to attract definite CDTI strategy.

4.6 BORNO STATE (tabte 7)

a. LGAs mapped as Definite CDTI by l99g

1. Eastern Biu 5. Eastern Damboa 2. Shani 6. Gwoza 3. Hawul 7. Chibok 4. Askira Uba

b. For obvious roasons, apart ftom the above LGAs, REMO was conducted in the remaining LGA'. This was designed to create u ,t"* picture of preevalence./endJmicity in the state. rhe"orprehensive. vtz._onchocerciasis l6ns studied were 21, l. Abadam 8. Marte 2. Mobbar 15. Jere 9. Mafa 16. 3. Kukawa Konduga 10. Ngala 17. 4. Guzamala Kaga Ll. Kala - Balge 18. 5. Gubio Western Damboa 12. Dikwa 19. 6. Nganzai Western Bui 13. Bama 20. I 7. Monguno Kwaya Kusar 14. Magumeri 21. Bayo u

tl] r( a r]IE z r-E (o @ \l ( (, t: o, s N) { x r x tr o (D o z o o o o C x { x o T (D rn U) a u, @ a (_o P C I m r P P t tt rn @ o C C T] a x z r -{ o C 6) tI oa

U l8

{:,l a N N z r-; (o o @ --t O) (Jt 5 (, N) o (o @ _.t O) (Jl 5 (, N { u, x E E x C- x u, o z z o 6) x z o o o m o C C E E n x r o -Tt o o c o ;; { I 6) z G) v g x @ o ? m (f I z gl o r u) C -l 6) z o ! m ti C o C = u, I m C € o x G) m z 1 'Tl C n r I (t) q) 6) o F r o rn o II n (D6:a'>

n (Dflq ai o->?- = (o0) ot o o) (, N) N) N) N) (, 5 5 (, (, N) (, N N (, N-) N) (, (r) a o O o o C) N o o N) N f.I or o o '11 tr (J' ==z O O O O O A l\) (l (, G) C) (Jl 5 O (n co LN Crr O O) Yo)s Om N O O (n (}) C,) o o (, O --.t llo { 8H2' na n ullh= 0= il 6.€='(r(D oin^ Gq(, firr>L) ft .tr G) N) N) N (, (, 5 N N (, N N (, l- 1;e qz U (n o, { o, o, (Jl O) (n O) (rt (n (, gil { o o o o o O o CN o --l --I O o o O o --l o o o (n :lo sd; G' o o o o b O o o o (D=5< l6P o. 6' Enm (O II o rn{_t1 a o + o o o o N) o o o o o o 212 z o (, c) o o O O) o o o o O (]) (, (n rn N) o o ! (, o cXo3=(, -t o o o o oO o o :=+ $ lbs z=rn (o J o a z Ii G' (l) N N) o (, .s N N) N o o o (, o o o (Jt= (Jl o G) o, (h o O o o "azo'-+ - { o o o o o o (, --.t : G' o o o o o o o o o c-o r o o o o o o o O o o O U 1r \o= rn -o) (oo) o -c) u) N (, (, O o N o o o o o N o O o o -n o t! (, o o O o o O o (, (D= o o o) o o O o o c) o o .o o o o o o o o o o (]o o CN (O z c o o o o q o :l o o fl { o o o o o o o o o o o o o o o o N o s. o N (Jl o o) o o o o o o N o o o o o o o o o o O) I (o (, (, o I 1) o o --t (D o o ln (O o- (D _{. :f fl J 0) Ot o o o o o o o o (, o N) o o o o o o o o o o N) o (o --l o J (D o o o o o o o o o o I { (, o o o o o o o o o o o f, o N o= ol (o o clo_t I (D o- ol-l o o o o o o o o o o o o o o o o o o o (l) o) 1 o o o o o, o o o o o o o C> :l o o o o o o o o o o o o o o o I o (, o. 5 tI (O c 6- 6 q)I 3. o o o o o o o o o o o o o o o o o o o o o o o :l o o o o o o o o o o o o o o o o o (f o o o o fi N s I o5 o tI I ii tl a f-| Z (rr (, ti O) 5 N { u, P '11 z o z o r C x C { f z 'Tl x x I o x m r z ry. o C o tt C) r 'Tt m r o tl fi_t Se o--A.' I o)= (O (,t o o @ (n N) (o (, a n o o o N 5 ==z -rr 7l fi J (o 96u I O o N' N) ?o- Orn l\) ,_--l oOla. N@ 8.3 < n Aa-J osO+ TI 6.3='go) 36 G9 (, o\ H] 5 @ (rt N) --J .^N-t (,) O 6 --.1 8g U (O o o o @ (o -_l (o o o o (o (, 39. ;HE (D:=< {Lrr o- il' lTlnr (O mo) fi ao l { o o o o O) afz z. rn o o o o O) (o E+u o, O c=o (D=< =rn G G: z (oo) ;{ o l 6) tI I I s.6a> Bq o-A.- :-> t! o) 5 (, (o { N) N) (, N N 5 (, N N) ol la o o N) N) N 5 ol t\) l- lr o o o lo o lo 'Tl (, (n t^(r! t: t:t: t^ io (, | l<.rt t(, l(,r (, ld ts N' o <,: o t; Orn tl lo I IO -(o s le ls (D = jur<..vi8e na ur(t= aS n 6.3=oq) OL TI Aci N, lN) I 3q, flt (o t^ lN' N I t^r lN) I: lO) l (n (, t: t^ lN Otr-, G | --l O) (, t: l 5 { \.1 O o o o o l(-Ir t:t; I88 g?rn> J lo lv ! lo lo lo o u I o o O I lo lv lo I :q tv v I ;6F oo)o=?' --- r" (o ;nU o _T.l UI ti N N) N IO N) (, cr, t- o lN) lJ lr lN) IN t^ l^ l^ l^ t^ l- l^lN aaz z (o lo o lrt: t: lr m o o o o o lo lo O lo o o o lo cd9.t+o o o o o O o O .J o o o lo o o lo O m= E ^*s-o z t9o) (o o J tn lar I z IO lo o o c) t^ la l^lo t- lo o O IO o o z o $ l+ la to O l(Jlt: t: t^ 3= g o lv lv o l5 lo o o o o o O o o o-= o o lo t; o lv t; c o : o d o 5 m r,t o) 1"l _o (D a l\) (^) O o O o O o o o O O o -n o o o o o J o o o o I o o o o o o o o o o o (D- o o o o (o o lt o o z C EF o (D o of, o o o o o o lo () A o lo o o o o o o o lo s. o o o o o o o tol^ o o o l^ o I o o o o o o lo I o(D J a @l o f o lo o o o lo o lo o =. o) I o o p o o o o lo N o= (o o o o o o o o o o o o o l (D UF o ct o o I o I J f N o (O o o. o c I o o a o o o lo lo C) lc) o o) a o o lo lo o o o lo C^) o o tol^ t^ t^ lo t^ lo o o, o lo o o o o o o (D lo o o o o I o=, o) o_ f, (O c I (D o- a (l) o o lo o o o o o lo t^ o o o lo lo lo o o o lo o o=. E o o o o o o o o o l^o () l I N o\\o 5 o o I I I i; li

I} 1q

TTH

A total of 4l communities were examined from 2l LGAS in Borno state in this 1.1 Except t1!E the zones of Kala - Barge and Bama LGAs which are definite CDTI areas the areas in the other tg iGas are not endemic io **runt CDTI strategy (Table 7). n This result confirms. that the sandy folld plain like and U temporary rivers - in these less endemic and sahelian LCas rl" not favourable to zupPo-rt the breeding of vectors of onchocerciasis. Similar results have been recorded in the bordering Niger and I! Chad Republics.

ru 4.7 tf (Iabte s) a. LGI\.s mapped as Delrnite CD f I by l99g ru ti None

i: b. LGfu where REMO u was reflrned L Balle r t 7. Illela 13. 2. Gidan Madi 8. Gada 14. I I 3. 9. 15. Dange 4. 10. Isa 16. 5. Yabo I l. 17. fi 6. Shagari 12. 18. Tambawel

A total of 41 communities were selected from 19 LGAs in sokoto state for this fi exercise' The refinement was actually carried out in zo lititlcommunities while Lz (29%) were inaccessible at the time of this studt. ir,i ..rurt showed that onchocerciasis was apparently absent in26 (90%ttrtrr. communities examined t and onlv three comrnunities (ro%)had onchtc;i;;;ilof b.,*."n ro/o and 9%. onchocerciasis_is therefore not a seriour puuri. t.u[r, i.our.m in Sokoto state to warrant CDTI strategy. This result tt" i"ritrr"t the more or less II sahelian zone of Africa withlits "onfir*, characteristic harsh *.ui["i during most periods ofthe year rarely supports I breeding ofvector species. 4.8 ZAMFARA STATE (Tabte e)

a. LGAs mapped as Definite CDTI by 1998 l. Gummi 2. Bukkuytrm 3. Anka b. LGAs where REMO wasrefined q2-

REMO was refined in all the other I I LGAs in the state: l. Maru 5. B/Ivlagaji 9. Maradum 2. Gasau 6. K./Namoda l0 3. Tsafe 7. T/IvIafara ll. 4. Bungudu 8. Bakura

The REMO result showed that onchocerciasis is apparently absent in I I (4g%) of the 23 communities examined in this exercise. rhe community onchocercal nodular rates in the 12 (s2%) g yo who were positive were r - The zones in these 1l LGAs are therefore not CDTI definite.

4.9 RAUCHLST,4TI| (Tahte r 0 )

a. LGAs mapped as Definite CDTI by l99g l. Ningi . 2. 3 4. Gade

b. LGAS where CDTI was not recommended

Damba 1. 5. Itas Gidau 2. Shira 6 Garnawa 3. 7 Zaki 4. Jama'are 8. Western Toro

c. LGAs where REMO was refrned I Alkaleri 4. Bogoro 7 Toro 2. Kirfi 5. Tafawa Balewa 8 Ganjuwa 3. 6. Dass 9

of all the 35 communities examined from the 9 LGA' in this exercise, 460/o of them (16) had no onchocercal nodures while 19 of the communities (54%) were positive. However, except the Toro zone which may be Jrn"i,, CDTI, onchocerciasis was not i public health problem in all the other g LGAs. ltl 4,10 (Tabte tI)

a. LGAs mapped as Definite CDTI by l99g

l. Ganye 4. Gulak 7. North Gombi 2. Jada 5. Michika 8. North Shelleng 3. South lvllBelwa 6. North Hong 9. North Guyuk

I ti,i a z rt o @ @ --l O) (,l s (, N l-J { N IT a @ -{ ul o -{ o C I { C a c) z { a z n x z z Cr- x C -Tl 'Tt a n r 7 o o c m = -n o o C m C C C- o z v o o lt n C r o o (D z I o o o o (D o_ s 0) (^)l (O @l tl A N (Jt 5 N) t o N) 5 OJ (, @ a N) o N) N) o o o N) N (rl 5 f 'nn li o 5 (h o (rr o (I)cr lGt o o o o o O) (, (n :f =z Iro o \l Cr) o I Orn ft tv (D 8". n@ x a{o Ct. -- NC 9 (, o) n (of roB TI q ,l IN, s N) N (, l\) N) >lI N) N) N) 5 =; li (, O) (Jt Geo-x- z -{ l: O) O O O o (Jt (, O) (n - BH o o o O Cr) --l o O o o o -0) :to a3 (D tI :fO l- *o)ts D-A) m (o -, (o rr (D rri N o (r) a1 + o o o N) o o (, 1I o o =5 z z 5 O o o o o o o o { 8+ m @ o o o (, LO o (Ds m= : z. Q) ft (O o J J a z o N) o N) N) O N o N) N l o (,r o o o o g o o o N) o_ = fi N o o o o (Jt c o o o o O o = : o o' o m O) (O r o -a L a l'\) o N) N o N) N O O o o N N) c) O o o (D - o o oC) o o o o o ol o o o o o o (o z oc o o (, (D I -l o l lo o o o t^ o o o o o o o o o s. lo o o o o o o d o o o o I o I D I o o- -j o o o o = o o o o o o =. o, o o o o o N o= (o o o o o o o o o l (D o o o I o ! f N o @ o o o o o a o o o o o o) u o o o o o O) d o o o o o o f o o o o I o o I o (, go. 5' o a. I o o o :i It o) o o o o o o o o aa o o o o o o o o o o o o o f I N t 5 o I I I e+

b. LGAs wherc REMO was refined

l. IVI/Belwa 5. Lamurde 9. Song 2. Fufore 6. South Guyuk 10. South Hong 3. Demsa 7 South Shelleng I l. Maiha 4. Numan 8. Gire 12. Mubi (North & South) A total of 50 communities were refine d in l2LGAs in this exercise. 36% (lg) of the communities showed absence of onchocercal nodules. In the zones of the other 32 (649/r) cotttrtr.ttities rvhich *,cre positir;, tl;;;"or. ,^'u, rrr_il e.de'ue to the level of warranting CDTI strategy.

4.11 YOBE STATE (Iabte t2)

a. LGAs where REMO was refined

By the 1998 REMO results there was need to clarifu some areas where the data were inconsistent with epidemiologioal and entomological information in following LGAs. the

l. Geidam 4. Tarmuwa 7 Bursari 2. Bade 5. Nguru 8 Karasuwa 3. Jakusko 6. Yusufari 9. Yunusari

(23) communities were selected Iy:llv-!t"ee for this exercise in yobe stare but 4 (17%) of them were floodecl and inaccessible at the ti*" oiirr. study. A total of 19 (80%) communiries were examined frg, LGA;. E;r.pt in one commu,nity, Dagona in Bade LGA, ? the REMO results in the other rg colmunities the disease prevalenbe showed that does not W*i*i-CnTI strategy.

4.12 PI-ATEAU STATE (Tabte tJ) .. a. LCRs mapped as Definite CDTI by I99g BtLadi l. 4. Riyom 2. Jos North 5. Mangu 3. Jos South 6. Bokkos t a z I} (o @ -_t o) (Jt 5 (, N) TI { o C) --l o -l @ @ x z o o @ o n r { 1 (_z n a o C -Tl o a r C) r m r N C m o :E r o n rn o € € o n ll t] r C) tI o6:a2 tsq 8.5 o, (O T 5 o o, (, @ @ NJ 5 N) O) 5 --I a J o G) NJ o J N -T't i0 o (.) N o N) (, (Jl Ets3 tI N @ (Jl (Jl --l Orn ti }. o o 5 na dH: U:S +-.: >! n 6.3=o0) ti 3cj 3q, j ilr (/) (n (Jl (,t O) t\) (, (Jt N O) J O) .-] (Jt vO)3e= :: \l (Jl @ (, @ - O N o (n o Cr) o o) f,o il o) o o (D-:='< IHE o. 6- rrizm (O m-a E- o th 1o A II (, N) o c^) o 5 N O) -rn o, 5 o (rl o @ (Jl (, ei5 = (D5 o o o O o o Cl) c59. o Y =rn :E_<\o= z Ii €)3 J 3 z. J (, (o N) O) O A at7 o O) (Jt (Jt (,l s O tr) o, 8+- fi o o O o --J : (f o o o t c-O e o o (f S -o m -o\ (oo) r (D -a 1l N) UI O N) (, G) O Ctl c, :, o (Jl o --l I o o- o { o o o (Jl (O o o o o o o (o z -oc II o o o (, o o of, G' o o I\) o o o o o s. o o (, o o o ol (, o o o (,N I p I -o (O o l J=. o) o o c) o o o o o N o (o (rt o o o :, o o o o o o o I o I ! I J f N o o (o o o. o o- o o o o o o o o o o (, o) a I o o o, o o o o o <) o t :, o o o I o (, o 5' (o g (D 9.- I a o) o o o o o o o o o o o= o o o o o o o o o o = N I 5 o o I I I a t? z lr @ @ -J o, (rl s (^) N) (- n { @ z @ o z o C r C C o m { z v a @ x C C C o o a -TtC n m m 1- a a C a C 4 x o t; 4 n o 'Tl € r- 6)

fi fi.= 8e o-A- =-- il (oo) N o t G) N (, N (, N N (,l a l5 o o o o o o N 12 -'Z le$o l!n tI CN o o o o Cr) o o 5 (Jm J o (, o 6Hs n@ o(n= -'C n 6.3='u0) \J _r (/, tl G9 Hci-r1 J a (Jl J f\) f\) N) N) (, @ GSqo\xr Z -..|.Nt II (, v(D @ o o c) o o --lO) O) - U (.) o o o o o o C) =o rnoFlgH ='

CN rr t z N o (o @ ! o, (Jt 5 (, N) ti { z< I a C) a 6) z C] 'Tl z o Or o o T C F C m C I m 'Tl (D { +s T z z rn m c) r C o m f] @ o r c a r r o rn x n z n c CI m E o-n II z m J 6) r n o u fi_G Be rl 85 3r (oO) or o 5 O) { N) 5 (r) 5 (, 5 3 IT o o o o o o o o a o O o o 'Tt zl o o o o o o O o o o o o o 9oro Om It iQo v@ aoD< aqr: >= (, o) O-r il 6.3=' ti ,:o (, aX- irr Or 5 O) __l NJ (, -7 =d o 5 5 (, 5 dX-'> a - J o o o o O o o o o o O :fo Fd; ti o o o o o o o o o o o o o (/)=E o (D: o-=< (o6- >trm o im-r It a mr- (, N N) o o N N I\) G) o z @ m N (Jt N o o Cll O) (, N o 3+(,"az G' (, o o @ o o -*t o G) cXo (D o o m= tI :s<\o= z s)3 .| (D o z (^, o) (,) o (,l O N N) 5 o N o !??€.2 r, ff ! (Jl o \.| O (rr (, (h u- =' o, (n o o o o (, o --l o c-O : 5 o o --t o o t! IJ\o= m €-) 3 .C) fr o tn N N N) N) .-,1 -Tl o (,, o 5 o o N) N) N o o) o) o @ o o .-l (rr I (D (D- o { -{ --t (O _o II N o o o o o o o z c o o o o q o o f C) ro o J o o o o o (/) N N (,, (, o) .lf I o N o o o o o (, (, I 6 (,, I G) o o o o o= (D o J a c,- (D t J=. 0,=, o o o o o o o o o o o o o o (O I o o o o :, (D o o o o o o o o o I o :l N o= o (o c, o_ (D c I a o o o o C) o o o o Cr) o) o o o o o o o,- o o o o o o o 5 (D o o o o o vo I o (, o- 3' (O c I (D a o o o o o o o o o o o o o I o o o o o o o o o o o o o o5 o I

II fl b. LGAs where REMO was refined

l. Bassa 6. Kanam 2. Jos East 3. Pankshin 7. Wase' 4. Kanke 8, Shedam 9. Langtang 5. Langfung North South 10. Quan - pan During the rg%rg4nr^ao exerciie there mix up at Panlcshin add Kanam Ip - of ratitude and rongitude Thir"*,o the extent endemio resurts orpankshinlGAs that tl il;;rdted at - tntegrated into Atlas K;;;#ifffil. ,Tllpj.. GJS,.I, th;;;.*"t exercise, REMo;u, Pankshin and Kanam LGAs refined at both ;w.elffii; other 8 rcts total of 3I commTl,:r.yr.: BassqI g*rine.d communities ros East and pankshilidA#.1. 1!3nlycnn in the zone of wlhin the lowland zone with i.ilffi;; other 7 LGtu are ,.,y8;i.eeding sites. ' 4.13 (Tabte 14) a. LGfu where REMO was refined

l. Safana 2. Dan Musa 7. Matazt 3. Kankara 8. Dutsin - Ma 4. Northern Faskari 9. Kurfi l0 I Northern Malumfashi Cherenchi 6. Musawa lt Bindawa 12. Kankiya

A total of 1r2 communities were examined tzLGAs onchocerciasis was apparentry \gn in Katsina state. hypoendemic 50 (u.6%)ofttre disease was "dili; communities and recorded in the remaininj ii-(isinBy ffi* idL* this resurt._ ., ffi#Stri?ffi;y;; ";;;;?;;,-;;",,, to wa*an,

IIl

I I I @ flIr z r] o (o @ \,1 o) (, 5 (, N) { o ar|_ a zf x ll c- z o C g'= T € r oP o -{ m z z z a o o z Io rn i6-r --l x x m m I] I; rn IU) o i; z z a -T1 z o o z --t r o tI o6:a2 Be 85 Il (oo, (.) o (,J (, G) .A o, NJ N) N O) N (, (, N o o o o o o o o '11 !fo)s= ='2 7l tI O) o o o o o o (, C) o ?QO Om O O) 1A a.oo9ti*. a(n=:< -C ru II 6='go) rB {o>-r 3e, MT (.) G) (, .r :: O) N) N (, NJ (, P-n-, a J A @ v0)3P - u (o o o o o o o o (^) o lO = 5 c) o o o o o o o o IEE (D:5'< 7? o- (o6- i;n Ir I ao 'qd 5 N N o) N) N N o o o ?7.2 z o, o, -_J (, !?=(, m --l (Jl o N o o u- (,r5 O) (, o o o cXo o o -=+ m= tI las\o= z €)3 ;{ (D ,a z 5 o o 5 N) (, o ff { Y (n (, (, f\) O) o O @ =7,2u- ='U (, (, (n O) o o o o E-O : C'T o o o ,mcl \o= t .o) (oo) p (D ln oN @ (, o o o N) o o <) (l) I 5 (/) N { o o C) (Jl o o o I { o (n ('l o (o

(^, o o o J o o o o o N J o I o o N o o o o o O) I @ (n o, I @ o o o o o o o o o I o (Jt o o o o o o o o I o) o I I N C., o o o o o o o J oOJ o o o o o o N) (rl (,) n o (, (, I o (, I (o N o o o o o o o o t$ o o o o o o N) o o u o (Jl I I I go

4.14 (table 15) REMO was required to be clarified in the Hadeja River Basin of Jigawa Slate The LGAs involved are:

L Anyo 6. lUhausa ll Bimiwa 2. Taura 7. K./kasama l2 Dutse. 3. Curi 8 Kangana 4. RinS,m 9. Miga 5. Jahnn l0 lWmadom t

The exercise was conducted in 30 communities from 12 LGAs. Onchocercal module was

absent in I8(60%) of the comrnuruties exarruned. Ihe result further showed tirat the ciisease control prografirme in the Hadejia River Basin area of Jigawa does not require CDT, strategy.

4.ls STATE (Table 16) (a) REMO was required to be refined in'the Zone of Hadeji fuver Basin of six LGfu in Kano. Viz, l. Ajngr 4 D/l(udu 2. Warawa 5 Wudil 3. Gabasawa 6 Abasawa . In course if this REMO refinement exercise a total of I I communities were examined frorn 'absent the 6 LGAs in Kanb State, Onchocerciasis was apparently n 5(45%) of the communities

while the sisease was pr6sent in the other 6(55%) communities. However, the endemicity was met

..serious enough to warrant CDTI approach

4.16 IIVIO STATE (Table 17) (a) LGAS where REMO was refined l. Obowo 3. Ezinihitte 5. Ngor Okpala 2. Ahiazu 4, Abor

REMO was refined in l8 communities in the Zone of lower Imo River Basin of lmo State.

The present rezult showed that of the 5 LGAs examined, only the zone ofNiger Okpala LGA had

disease situation that warrants CDTI strategy.

I I @ r] z I :[* N o (o @ --.1 o) (Jr s (, N J -{ e o x ol -n o @ z o r z T C C =C 3; r 'Tt z m fl -{ -l U) fr a z z o v I a vc z m m Z N r r t o C € -Tt C 'Tl u ^ E z I 4 v o a :E @ 1' r o) G) I f tI 9.4a7 Sq P< o)= (O Il o (o (o .a N o (Jl (rl @ (o -_j @ s -l o o o o o o o o o o o o o Tn o6o==z Om il o o I I o P o o I o I o o'o iQo O I ? ? al C.i I O I O 3hi* T@ -O aa-:-oo<- n 6.3=oo Pi^= u ,1 0(, ao z'n __J (o J (, (rt @ (O @ 5 -;a z DDt :: o ! (O o N od (,E> o o o O o o o o J fO tI J O o o o O o o o o o o o o 5'< o o (D= ;6P o- o) (.o #nT o 1A ii I' (,l o, N s (, (n o) (Jl 5 (, ?tz 2 o (, o !lu- m O) s @ (, (rr 5 N N ='u (n -l (, !,) CA cEo 5 P C) I :.J I t,t !n I (, o o (Jl b, (, o (Jl o (Jt N m (Dl b b, fi l=s\o= z. €)3 ;{ 3 z. ol 5 (, (, s O) N) o, (, o, (o o Ii hJ (, =72 5 O) N) O) .s @ NJ (Jl \,1 O) 5 3+s (rr N) 5 (Jl 5 O) -{ c-O f o o P 9 sh { Ctt b o (Jl 5 --l o Ln o (,I ! 5 o L :s\o= m F o) ll (o -r) o (, lt\)o O) 5 o) (, 5 o, N O) (, (Jl (O o o N I o - o J J J @ I o I (O o o o o o o o o o a P o z -oc P o o o o o o o o o 1., (, o (, (D qt C' o of N o o C) o o o o o C) o 5 I (., o I D :.J I I P P I I I I o, I I (D o ht b o o o o o o o o { .-.' o (O o o- (D E. :f o, o o o o o o o o o o o o o N o= (O ll o f @ o o o I I I I I I I I F) I I I o :f o o o o b o b o o o o o N o= o (o o o. (D C I , o5 (D a o o o o o o o o o o o o o (, 9r (D o 5 o o I I I P I 9 I I P I I I I o o o o o o ,.o o o o o o o (, o-c 5 I (O 6 ot @ o) o o o o o o o o o o o o of. o :l o I I I o P o P I P I I I I o o o b o b o o o o o o s 5 o I o I I -Ot i! o, C,I A (, N =l , t-E g € 6) E z ul C x c- (n o C u, z o # a m r C a ti E E .I'lo € r o tI oEa2 Be 8.5 t] (o6I o N (, (rr a o o o o J 'o go)u= ='2 'r1 tr t] @ o o o o o N Orn O igq na urU,=a.0D < -C n 6.3='c,0) ir u t 7,o 3e, a_ G) s --> @ -7 trE @ 5x a tO o o () o >m; ti N o o o o o o =o (D:5'< n6P o- 6- nm (o mr ,a(D 1cD tJ Ol o o o G) ?7.2 2 5 o o o { !?='o m C,T o o (, cXo o o -=+ =m. II ::<\o: z e3 ;r o lh z O) o o (, o !1=7.2 II Ol o o N) u- =o Or o o O (Jl c-o : o o o o m o)\o: (oo) -a il (D a No 5 o o o I o) (, J J I o - o o o (, o { o o o (O z -oc I o o q o o of N o o o N o o J o \ G' o o o O) o o I G, -l I = Eo a @ o f :,=. o) o o o o o o o N) o (o I o :, (D o o o o o o I o I c, :f o o=, o- (Do E d 6 I o o o o o o o I g f o o o o o I o o o I o (, o. = (O c a $ (D (D @ o) o o o o o o o o* I o o o o o o o :l o I I I ri >l a)

J z rIIt N o (o @ { O) (rl 5 G) N { E { o ql x x (- o { z o c { 4. C z { -{ a 6, z x I I z C U, z C a 4 n m U o a) C z o m o @ o ft z l1 = r o tI o6:an -2 tsq o-=o- (oil tl G' (D Or (, N (Jl 5 N (, @ 5

U j.f

4.17 (Table ts)

(a) REMO refinement was conducted in the lowland zone of western Doma, Southern Nasarawa and Southern Toto LGAs of Nasarawa State.

The result from 12 communities examined showed that onchocerciasis endematy in the

lowland zone of these LGAs are not serious public health problem to warrant CDTI stategy

4.18 EDO STATE (Table 19)

REMO was refined in Ovia South West and Ovia North West.

Atotal oI'10 cotrururuties were examined from these 2 LGA. The endenucrty levels of

Ochocerciasis in the northern zone of these LGAs (bordering endemic areas of Ondo State) are

serious to watrant CDTI approach. Onchcerciasis in the Southern Delta zone of these LGfu is hypoedemic.

4.19 ONDO STATE (Table 20)

(a) REMO was refined in ldanre, Irele, Okitipupa and LGAs on the South Eastern zone.of Ondo State. This exercise was concluded in l2 communited and only the zone of Idanre LGA was a CDTI area.

4.2O EKITI STATE (Tabte 2l)

Two LGAs (Ikole and Oye) bordering Ekiti State with Kwara and Kogi States were refined in the exercise. Six communities were examined and the result showed that the area of these two LGAs is CDTI zone.

4.21 KN)UNA STATE (Tebte\------,22) . T\e 1993/94 REMO rezult from Chikun Lga were clarified in this study while that of lere lgA was refined' Atotal of l'6 commuriities were examined and results showed that these two LGAS in are hypondemic il

4.22 OSUN STATE (Tabte) il (a) REMO was refined in 8 LGAS (n z I] (Jr S (, N rT { z rn o z o o @ N - ul { x o z F o l, 1 N € m = C o o fi F 'Tt ml r o u t s6a2 o?8e = (oo) tr o (D (, 5 (, c^) (, @ o o o o O o J 5 Tt o ot' 7' o o o o o o f o Om fi (D o ncn x o _C a a.U) g 3r II o o{. TI o {'naO (, 5 (, (l) (, D.v _, I: @ 3e v(D :lo - ngH u o o o o o o = o o as OF o- 6' 7fi (o mi '@ o a| -r fi o O o o O o 2€Z 2 u-9 m o o o o o o cXo='(y l=s z=rn tI eE\o= J (D a z J (,t 5 (, (^) (, a€.2 o @ B u-9 ='o O o o o o f o o o o o o rn o-\o= (oo) -o t o a N C) @ C) 5 N) 'T1 o I (D= (D o 5 o (, (, O) I - 5 o (/) (, \l @ z -oc il o o o o of a CD o N N I J o o 0) 5 o) o o, o) (, I (o I I = E 5 o { { o) o (D tn (O (Do :l =. o) N N o o o o N o= (o o :l o s o o o o I I I o f N o J N o o @ o o. o c a 6', I o o o o o a o) o, il o (D o o o I ; o o o I o (, o. 5' (o c I t o 9_ ao 0) \c o o o o o o3. o o o o o o = I N s 5 o I o

Il I 36 a z ii N J o o zl >l ti t P- U @ J vO) - (o o o =o= ngH o as OF o- 6' Em II (O o +a N o (r) z m N o C|) ii= o G) c=o fi g=j =EI \o: z eE ;{ E z tI @ 5 s o !l=Eatz J ct) u- o@ o { E-o f rr o c, li eE\o= m (D -o o oN N J c, I I o I N N N) d (,r (,l (,t (o -o z E q (D o o= I N o N N o (,l I E Ol o I (D a 5. (D I o= 5 (^t J N o= @ o f o or { N I o o (I (n a N o= I @ o a o o o 0,

o o I o I o= I co. (t,o o o o o o o I s o [-

[. I 75 a lrfl z G) N ti { a z o z. E { g,m tl o { m |- 'o Ir x 'n r E o II an> !P. A Se R 8.5 t! q) (cI (D N 5 (rt (r) o ;, c, o o o so)o lf o o o o i8q BHva ilu z= II o) >! U 6='t 6-E = gc; 3q, trTl 5 (,l (, > N ^(t E J J 5t u o o o 50 o o o o 3E* It o.='

=. I N o o o N o= (D o o o J I o= o a o (oN o= o I a o cl o o o o (., o, ts o o ; o o o o o Ia o o- I E = (D- o- @ o o o o o o I C' o o o o :f l o I I j, tto

ii i a, ll z @ { cr, (rl s CD N { o o m m fr -rI t z o g F (] o rn m m -l o C m (D 1' m v m o z a II o C o o o o m { z 1I o B v C o (] m C CI { 'n z z m I-l rn - ro tI (D6:ln- ru--) Be ir 8S (oo, o o (rJ N N (r) (rr a t! C.t o o o o o J j 'n iu o O O O (,(!\ i) a=3 Om { o o na n 9*fi: a.: o= o) a\ u 6='u 6-3 c-' R9' z() IE a! G) N N N o $ 7 lAlt (rt ->a 6 u o oJ o o o o {o) C) o@ 5t >m> ql o o o o o 5'<=oJ+ n6F o. 6' nm II (o L. o mN(.r @ a1 o o o o o o o { G) o o o o o o u-tE53l =m o) o c X ol fi -=+l =m 1= <.t z. e3 ;| o(D z. fi 5 N N N N) o 5 2€.2 o (D o u-!2='s @ { o o o o o o E-o f rr (.l o o o o o o o l; -eE pm o N @ o or N o J o o o o N o G (, A o (rl o o o o (,l E o (n o o o z c o o (D E o o= I 5 o o o o o N N o J (n o o o o (rl o o o o I = Eo o a l{ )o t= ot I o o o N N o o N lo (o lor o l= (D IC.' o o o J o o I lo ld) o o o I f o= o o o (oN 0 o- (Do E I l- a o o o o o o o o o (, o) ts o ; (D o o o o o o o o o a a o o. $ (oG' c = (D a tn o, o o o o o o o o o o=. [-- o o o cl o o o o o =

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r t:) a Lrl-I z N ol z -{lol fil II -rl nl xl [t . >lrl m CI m zl o-n r o II fr.31 Bql tr 85 (o6 N J o N o N @ -ntr il o,l N :l CJ, a;=r Om t:I N.) tll ?QO o vl vc2 n 8!i2OA= II ='Er 0' >i 16 6-ts Po l-aq " 2-l @l ol DV-t (n gs El (,,E!> iI ^lol ^JCD { ol v -t =ol5'< ;6F 1! o6-(D= -{-III (O lr (D a 'fis (rl z z 6 e+ u III (n (r) E9 3 ff (O o= z]Tl (oo) J o an z fi or (r) N o (r) (r) "t.z \t CO f e=a o r m lr \o= eE -o o oN N o I o lJ (r) J a 5l CD o o I N o o (D o el { t It'

I Ir t. ,j 4L i, a i+ Ii z o) (,t s o, N ot ol ol ol ol zl -{l ol vt nl 7 >t ol ol EI mt ml EI ff {l rr 'tI a fr =lml o o o C m r t- 1' z 'no m a m o r o o ft o fi_3 n Eq ti 8,5 (oo, E I\' (, 5 !\) (r, o) (r) II o o ol 'n 7t o o o o o a=G\ Om o o o o C) ul 7la n *fi21ana= o= ti q) 6='u 6-8 5: tr [8e " oY (r, (, o u N (,ll 5 N CD x L#r o o) ^lll o o ,6F olo o o o o 3. =o l?II o Em aa = +ts ol o o o ol o ol o= z(, m ^t ^tol ^lot o. = o o vlol o vl v c o I o c =mz (oo) J o(D z fi' (r) (r) (,)l f o Ol 5 lu o J al o I Jo o o ol c o f o o ol (D I o o o o o o vl o e .J rn I lr 6 (oo) -r) o tn N o L, o N o o OI II I o= - o (rl (rl o o ^lo o o o o v z -oc ol g o o =o I q, N N (rl (,l CO (, (r, a TI G G' (r, a o o o o o J (o ao I = o, Nl J @ @ (, o o N o (D (r) a F 6 o 6 CD 6 o, I o C' o { { =o I o a o o o ol o) ts o o 6 ^lot sl I I -l = rr o o o o ol I o o o o o ^lot I o$ o I I /tt

ii 1. South 4. IrePodun 7 ' Olurunde Odo ofin t1 2. North 5. Egbefe 8' 3. Ayeda ade 6. Ede result shoqed il In this exercise 15 communities were examined from these 8 LGAS and the The that the zone atAyeda Ade, Irepodum and Egdeofe are qualified for CDTI strategy'

tI areas/zone in the other 5 LGAs are less endemic

tI 4.23 OYO STATE (table 2.4) n (a) REMO was refined in 6 LGAs of Oyo State: II l. Orire 4. OreloPe 2. Olorunsogo 5. OluYole ii- 3. Orepo f,F Twenty (20) communities were refined in these 6 LGDAs The result showed that the Ir Northern LGAs of lrepo, Olorunsogo and Orire as well as Ido LGA definite CDTI zone. The

other LGAs are hypoendemic for Onchocerciasis.

4.u (table 25) (a) REMO was refined in 4 Southern LGAs of Ogun State: l. tjebu East 3. Ijebu N/East 2. 4. Odogbolu REMO was refined in 13 communities in course of this exercise. Onchocerciasis in this zone is not a serious public health problem to warrant CDTI strategy.

6.0 ACKNOWLEDGEMENT I am grateful to WHO.APOC for given this opportunity to serve and contribute in our collective effort to eliminate human onchocerciasis as a public problem in AfriCan sub-region. My

thanks are due to WR Lagos, NOCP National coordinator, Dr J.Y. Jiya and his team REMO

national scietists; and NGDO coalition in Nigeria for their logistic and technical support,

understanding and hospitality in this study. The success of this nationwide exercise'was

madecomparatively easier by the committement and good will of the zonal OFFICES, SOCTS,

I -,1.:

t: ++ tt,l- n 5.0 REFERENCES IE Gemade, EII; Jiya, J Y; Nwoke, B E B; Ogumba, E O; Edegere, H; Akoh, J I fr E omojola, (1993). rg' -. A Human onchocerciasis: currJnt assessment of H the IE disease burden in Nigeria by rapid epidemiologicar mapping parasitol', "Ann. Trop. Med. (92c1): s79 _ 5g3. n il I Nguomou, P E walsh, J F. (r993). A manual for rapid epidemiorogicar mapping of onchocerciasis (REMO) "TDR/TDE/ONCHO/94.3 WHO Geneva

Nwokc, B E, B 1i96ua.1 ilapro assessntent ol'onchocercrasrs tn N lgena 'Nigerian J. Biotech." ll.Zl3 -216

Nwoke, B E (1990b) B The economic aspects of human onchocerciasis in Africa: Present Appraisal. " .34..37_44

Nwoke, tr B E B; Tambala, R E White (1995) Nation_wide raoid trr epidemological mapping of o,crrocerciasis (REMO) in Marawi WHO/APOC unpublished document. Burkina Faso.

yEGemade, ti Nwoke, B EB,Dozie, INS, Jiya, J E I I. (1999) onchocerciasis in Southeastern Nigeria using rapid epidemiologicar mapping "Nigerian J. parasirol. l9 (1999) ti Prost, A (1986). The burden of blindness in adult males in the savanna t t villages of West Africa exposured to onchocerciasis "T s Rov Soc t Trop. Hgv" 80 522 - 527

Taylor, H R; Duke, B o L E Munoz, B(rggz) The serection of communities ..Trop. I for treatment of onchocerciasis with ivermectin. Med Parasitol" (43.267 - 270). (1992). I wHo Methods for_community Diagnosis of onchocerciasis to guide ivermectin -based control in Africa. ',@. I WHO Geneva. wHo (1995). onchocerciasis and its contror. "wHo Expert ca.nmillgg_rr! - gZ5 I WAO Geneva

[}-

[}. I I I 49 a i'l z ttTT s (,, N -l o (- tr E] z o o rn m m rE { o u, u, u, o C C C m ti r q, o o o o g -Tt r rn m @ r c { o tI q.Elnz flq E

October 3l Travel to Kaduna il November I - 3 Planning & Training of national Scientists

n Novenrber 4 tr Natiorral Scientists tiavel to prepare for field work

November 4 -6 REMO Adviser & NOCP contirlue with planning of [] the e.xercise

November tI 7 Scientists and REMO Adviser travel to field TI Novernber 8 - l9 Phase I REMO excrcise IE November U 20 Travel to Kaduna for appraisal of phase I REMO Noverriber 2l Appraisal of Phase I REMO and planning of phasc2 ti November 22 Travcl to field for REMO phase II rr -'' II Novenrber l"I 23 - 29 Conrpletion of Phase II

Novenrber 30 Retunt to Base (Jos) fi. December I - 2 Collation of results P/ li December'3 Departure of National Scientists December 4 - 7 Validation of REMO continues by REMO Adviser tI December 8 REMO Adviser rerurn to base (Jos)

I December 9 - 12 Data ently, reporting and briefing

December l3 Departure of REMO Adviser tI

Dr. J. Y Jiya Prof. B. E. B. N NOCP nal I Coordinator WHO/APOC Temporary Aflviser on REMO 2/I t/2000 2/t I/2000 t

Itrl +s IIt-J

6.0 ACKNOWLEDGEMENT Ii

I am grateful to WHO/APOC for grving this opportunity to serve and contribute in our t] collective effort to eliminate human onchocerbiasis as a public problem in African sub - region. My thanks are due to WR Lagos; NOCP National Coordinator, Dr. J. Y. Jiya, and his team; REMO national scientists; and NGDO Coalition in Nigeria for their logistic and T technical support, understanding and hospitality in this study.

fi The success of this nationwide exercise was made comparatively easier by the conlrllittncltt atrd goodr.r'ill of the zcnal ofl-iocs, SOC'l's, LOLi's, UDij>.rrri riiiagurs. Iu II all that helped in this exercise I say, Thank you. TI :: tt rt 1l I

lI

tt Lr

II I ! I

I I ,I +7 itt; li aIl-T 7.2 LIST OF PARTICIPANTS IE- NOCP SECRETARIAT

l. Dr J.Y. Jiya - NOCP National Coordinator fi 2. Dr. Y. Saka 3. chK,u okoronkrvo - Tel: (234) iltr I - 269 6013. National . Scientists/Consultant. [r 1. I.N.S. Dozie

MedicaVpublic Health parasitology iln School of Biological Sciences TT Imo State universty p.M.B. U owerri 2000 owerri Nigeria Tel (234) 83230 698 II F.r 2 Dr. C.F. Mafiana ffi Deparfinent of Biological Sciences University of Agricultue ffi r P,M.B. 2240 , Ogun State Nigeria tr E-Mail: Mafiana @ unaab. edu.ng 3 Ukaur Oyene fi Onchocerciasis Control Programms I Minisfiy of Health Calabar Nigeria Tel: (234) 87 23651?

[J E-Mail: onchocal @ skannet.com 4 Dr. O. Amali ilt- Departnent of Bioligcal Sciences University of Agriculture [J . P.M.B. 2373 Makurdi Niseria. tI ffi

[I

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l-Ig tit:

Itl'l ti 7.0 APPENDD(

7.1 SCHEDULE OF'REMO REFINEMENT IN NIGERIA

(ocToBER 3I-DECEMBER 13,2fi)0) October 3l Travel to Kaduna

November l-3 Planning & Training of national scientists Itl Nbvember 4 National scientists travel to prepare for field work fI November 4-6 REMO Adviser & NOCP continue with planning of U the exercise

November 7 Scientists and REMO Adviser travel to field

tI November 8-19 Phase 1 REMO exercise

November 20 Travelto Kaduna for appraisal of phase I REMO ii November 2l Appraisal of phase I REMO and planning of phase 2 November 22 Travel to field for REMO phase II November 23-29 Completion of phase II November 30 Return to Base (Jos)

December l-2 Collation of results

December 3 Departure of National Scientists

December 4-7 Validation of REMO continues by REMO Adviser

December 8 REMO Adviser return to base (Jos)

December 9-12 Data entry, returning and briefing Decernber 13 Departure of REMO Adviser

Da J.Y. Jiya Prof. B.E.B. Nwoke

NOCP National, Coordinator WHO/APOC Temporary Adviser on REMO utvm00 21rU2000 tn

I I fl li, 5O

f1 ll tt I a{ ft { liIr tfl ln tm tI lcl@ 1- lr o l-.1 n la .I lo il l) (,CNNNNN JO(()Co--lO, N) NNNNNJ a II (rl A(,luro@ --l O)(,rAO)NrO (O@{O)Cn5O)l\)r z @Q75JOOO5 x { lo n EECs C o U 7V>= (n ;I>'gHS x a C o t? o sEEF5EE x o u, F o 8=EHer*= r sPgi z C $F=ftra o l= IE F3 (t 3=#S (- lo : ,rJlor; A, C P - ? ici#e3 I U -+: I L OA +>: -33*o U,V 'u = lm = - C-Y *ag a m C= -a s6 o z ln { l= ff- lo ln Irfl [}. lT 9DpogoPgogDpogo P9opoFoFDP og)ocDo)o)orcD lz (n|5NN(r) 9:P9P99e., E lrn A(r(roro\j SBdERddB O'OOCDo)@CD6@N-I$Ao)6(o BfiEtH$sN o)(r)C)(,)oa,)o)(oo)(ocD]\) o)oooro(I)o)o i l= fi -JGrO(r()-J (rOrOO)Gr-J6i-iE8883ESB oooo)or(,o6 lrn 6d'8d-'88-.. oooooci oooooooci oooooooo-.rooor@(r)oro lz l+ l.t JJIJAJJ JJJJJ AJJJ ooo o 4A()AJ JJJJJJJ r lz s) ooooooo JJAJ tl @ b, I JJAJJJJ o 5b b, -l -r b, L L i,o'or b JO@AJ 'obrb o lz o o OoA >lO@(rO\rj orooro)o (,)(ru)J biuh.rLoLLrth z o JO(Do)oo) g)O(r)C,OOTCDN)OOr(oo5'(t oQqrG)o (,)o@o) g)(r)o)ooro(r)o)@CDOiJo(, JO{ \fOO)(rCr{\, oocDrro o) o o, cl) o)(,)(Dooro(I) F) lo o c)oo oooooOo o{{}o O'OO'CD {(rro)ocrrcrG) lrn fl oooo6 oooo ooooooo ln IE lo il lo i'=$H IJ 6s lo, @ASolr5(n.b. (r55 cLo Or(rrO66o A(,t (n(nor5 crt (rr (,l (,t (,r (, (,r (n (n tI o(oo {o oood oooo oooooo6ot ur o t? lo rn oozz lt I - g=. lqr oS lic J JfJJ lo oroN)4 luo,o Nrorluoo 5CD(ro) (,r50(,No) lo i0 {A5G) lo

II es 3=. F,* oo, 1\,0U|0 NN N9t I\t a if\,F 99 9P :.r !u qls o o)os- I ,oo {oo oooro oo oo ro oo ooo P9oo

II I f) +1 :l r1 _i t 5 Dr. J.A. Ogrdi r!tt JI ii Biological Sciences progimme' t! Abubalar Tafawa Belewa University (ATBII) II P.M.B 0291 Bauchi Nigeria. jaogidi l'! E-mail: @ abtu.edu.ng

1til- 6 Patricia Ogbu-Pearce

National Onchocerciasis control programme

zone'c' Jahun road Bauchi :- P.M.B 0291 u Bauchi Nigeria.

It 7 Dr. W.A. Istifanus

Biological Sciences programme A.T.B.U Bauchi

P.M.B. 0248 Bauchi Nigeria

T el: (234) 7 7 5 43500 (ext. 202)

E-mail: iwillali @ atbu.edu.ng

8 Gabriel Audu

c/o Sight Savers International

I Golf course Road kaduna

Kadrura State, Nigeria. ^52. tt-'. H rt ItIF r ll " orn h l- Itt U, o o li o d- ill b h e T {t m0r - o I I = U o ol B] c E n rltnl = I = oE-

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