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Northern and Southern hemispheres (week 17‐36)

Number of specimens positive for influenza by subtypes (from 19 to 5 )

9000 100

r 8000 fo

e 80

v 7000 i

t 5 75 7

si 2 73 7 6000 71

po 67 67 3 67 65

s 64 a 6 60 n 58 e 5000 nz 57 58 % 55 m i ue l c f 4000 45 n i 42 40 spe 3000 of

r 31 e

b 2000 20 m 1000 15 Nu

0 1 0 17 (46) 18 (49) 19 (48) 20 (47) 21 (47) 22 (44) 23 (40) 24 (35) 25 (52) 26 (44) 27 (46) 28 (42) 29 (44) 30 (40) 31 (42) 32 (39) 33 (39) 34 (37) 35 (36) 36 (31)

Seasonnal A (H1) Seasonnal A (H3) A (Not subtyped) B (Yamagata lineage) B ( lineage) B (Lineage not determined) Pandemic A (H1N1) Proportion of pandemic A (H1N1) 2009 to all influenza

Virological data reported to FluNet by GISN NICs from countries in the northern and southern hemispheres (week 17-36). Bars represent the number of specimens reported positive for influenza viruses during the reporting week represented in the X-axis. The X-axis also shows the number of countries that reported to FluNet during the respective week. Example: 17 (45) means that in week 17, 45 countries reported. The right side Y-axis shows the proportion (%) and the left Y-axis shows the absolute number of specimens reported positive for influenza viruses (influenza A subtypes, pandemic H1N1 and influenza B). Northern hemisphere (week 17‐36)

Number of specimens positive for influenza by subtypes (from 19 April to 5 September)

9000 100

r 8000 fo

e

v 80 i 7000 t

si 1 6000 7 8 71 po 66 6 67 67 s a 63 64 62 64 60 z 61 en n 5000 57 58 57 % e 53 im u l

f 4000 47 ec in

p 40 s 3000 36 of

31 r

e 2000

b 20

m 1000 15 Nu 0 1 0 17 (39) 18 (40) 19 (38) 20 (38) 21 (37) 22 (35) 23 (33) 24 (28) 25 (45) 26 (37) 27 (39) 28 (37) 29 (39) 30 (35) 31 (38) 32 (35) 33 (35) 34 (35) 35 (34) 36 (29)

Seasonnal A (H1) Seasonnal A (H3) A (Not subtyped) B (Yamagata lineage) B (Victoria lineage) B (Lineage not determined) Pandemic A (H1N1) Proportion of pandemic A (H1N1) 2009 to all influenza

Virological data reported to FluNet by GISN NICs from countries in the northern hemisphere (week 17-36). Bars represent the number of specimens reported positive for influenza viruses during the reporting week represented in the X-axis. The X-axis also shows the number of countries that reported to FluNet during the respective week. Example: 17 (38) means that in week 17, 38 countries reported. The right side Y-axis shows the proportion (%) and the left Y-axis shows the absolute number of specimens reported positive for influenza viruses (influenza A subtypes, pandemic H1N1 and influenza B). (week 17‐36)

Number of specimens positive for influenza by subtypes (from 19 April to 5 September)

2000 100

r 94 1800 92 92 92 91 fo 89 90 89 5 8

ve 1600 80

i 9

t 7 78 1400 72 posi

s

a 64 1200 63 62 61 60 en nz % 1000 im ue l f ec n i p 800 40 s

of

600 r e

b 400 20 m 200 Nu 6 5 0 2 0 17 (7) 18 (9) 19 (10) 20 (9) 21 (10) 22 (9) 23 (7) 24 (7) 25 (7) 26 (7) 27 (7) 28 (5) 29 (5) 30 (5) 31 (4) 32 (4) 33 (4) 34 (2) 35 (2) 36 (2)

Seasonnal A (H1) Seasonnal A (H3) A (Not subtyped) B (Yamagata lineage) B (Victoria lineage) B (Lineage not determined) Pandemic A (H1N1) Proportion of pandemic A (H1N1) 2009 to all influenza

Virological data reported to FluNet by GISN NICs from countries in the southern hemisphere (week 17-36). Bars represent the number of specimens reported positive for influenza viruses during the reporting week represented in the X-axis. The X-axis also shows the number of countries that reported to FluNet during the respective week. Example: 17 (7) means that in week 17, 7 countries reported. The right side Y-axis shows the proportion (%) and the left Y-axis shows the absolute number of specimens reported positive for influenza viruses (influenza A subtypes, pandemic H1N1 and influenza B).