WHO-EM/CSR/374/E Influenza situation in the Eastern Mediterranean Region W48/2020 (from 22/11/2020 to 28/11/2020) Source of data : EMFLU Network and FLUMART 350 Number of positive influenza cases - 2019 Number of positive influenza cases - 2020 100 Percentage of positive cases (%) - 2019 Percentage of positive cases (%) - 2020 90 300 80 250 70 60 200 50 150 40 100 30 Percentage Percentage of positive cases(%) Number of positive influenza Number of positive influenza cases 20 50 10 0 0 W11 W16 W21 W26 W31 W01 W02 W03 W04 W05 W06 W07 W08 W09 W10 W12 W13 W14 W15 W17 W18 W19 W20 W22 W23 W24 W25 W27 W28 W29 W30 W32 W33 W34 W35 W36 W37 W38 W39 W40 W41 W42 W43 W44 W45 W46 W47 W48 W49 W50 W51 W52 Epi week Figure 1. Number of positive influenza cases and influenza positivity rate per week, 2019-2020 W33/2019 - W48/2020 Last 4 weeks Flu A: A(H1N1)pdm09 Flu A: seasonal H3N2 Flu A: Unsubtyped Flu B Flu A: A(H1N1)pdm09 Flu A: seasonal H3N2 Flu B 17% 23% 31% 4% 8% 79% 38% Figure 2. Percentage of circulating virus type by positive influenza cases W33/2019-W48/2020 Last 4 weeks Virus type Number (%) Number (%) Flu A: A(H1N1)pdm09 9210 (31) 9 (17) Flu A: seasonal H3N2 2375 (8) 2 (4) Flu A: Unsubtyped 11283 (38) Flu B 6872 (23) 42 (79) Total 29740 53 Table 1. Type and number of influenza viruses detected from W33/2019 to W48/2020 and during the last four weeks 1/2 Flu A: A(H1N1)pdm09 Flu A: seasonal H3N2 Flu A: Unsubtyped Flu B (blank) 2500 2000 1500 1000 500 Number of positive influenza Number of positive influenza cases 0 2019 2020 2019 2020 2019 2020 2019 2020 2019 2020 2019 2020 2019 2020 2019 2020 2019 2020 2019 2020 2019 2020 2019 2020 W37 W38 W39 W40 W41 W42 W43 W44 W45 W46 W47 W48 Figure 3. Comparison of respiratory pathogens detected from tested specimens by last 12 weeks Flu A: A(H1N1)pdm09 Flu A: seasonal H3N2 Flu A: Unsubtyped Flu B 1600 1400 1200 1000 800 600 400 200 Number of positive influenza Number of positive influenza cases 0 Less than 2 3 to 5 6 to 15 16 to 50 51 to 65 More than 65 Age group Figure. 4 Age group distribution of influenza cases by virus type in the Region from W33/2019 to W48/2020 Positive cases Number of Tested cases Infuenza positive cases Flu A Flu B Country enrolled number (%) number (%) cases Flu A Flu A (Not- Flu A (H3N2) (H1N1)pdm09 subtyped) Number (%) Afghanistan 2969 1739 (59) 138 (8) 38 (28) 61 (44) (-) 39 (28) Bahrain 341 316 (93) 46 (15) 14 (30) 8 (17) 10 (22) 14 (30) Egypt 12918 12918 (100) 684 (5) 387 (57) 140 (20) (-) 157 (23) Iran (Islamic Republic of) 4932 4932 (100) 708 (14) 26 (4) 3 (0) 93 (13) 586 (83) Iraq 157177 5591 (4) 305 (5) 102 (33) 44 (14) (-) 159 (52) Jordan 1248 1248 (100) 98 (8) 42 (43) 29 (30) 4 (4) 23 (23) Kuwait 4676 1273 (27) 218 (17) 9 (4) 15 (7) 131 (60) 63 (29) Lebanon 603 593 (98) 291 (49) 86 (30) 40 (14) (-) 165 (57) Morocco 764 764 (100) 187 (24) 35 (19) 121 (65) (-) 31 (17) occupied Palestinian territory 4381 4381 (100) 369 (8) 145 (39) 188 (51) (-) 36 (10) Oman 4214 3665 (87) 156 (4) 60 (38) 32 (21) 42 (27) 22 (14) Pakistan 165 165 (100) 13 (8) 6 (46) 7 (54) (-) (-) Qatar 17460 17461 (100) 3749 (21) 927 (25) 47 (1) 2116 (56) 659 (18) Saudi Arabia 6683 1549 (23) 530 (34) 228 (43) (-) 146 (28) 156 (29) Sudan 93 18 (19) (-) (-) (-) (-) (-) Syrian Arab Republic 305 280 (92) 61 (22) 1 (2) (-) 56 (92) 4 (7) Tunisia 830 547 (66) 305 (56) 220 (72) 12 (4) 1 (0) 72 (24) United Arab Emirates 1612 1610 (100) 183 (11) 84 (46) 27 (15) (-) 72 (39) Yemen 437 443 (101) 76 (17) 63 (83) 8 (11) (-) 5 (7) Total 221808 59493 (27) 8117 (14) 2473 (30) 782 (10) 2599 (32) 2263 (28) Table 2. Reported cases by country during W01-W48/2020 © World Health Organization 2020. Some rights reserved. This work is available under the Creative Commons Attribution-Non Commercial-Share Alike 3.0 IGO license (CC BY-NC-SA 3.0 IGO; https://creativecommons.org/licenses/by-nc- sa/3.0/igo). 2/2.