Influenza situation in the Eastern Mediterranean Region: W41/2021 (from 10/10/2021 to 16/10/2021): source of data: EMFLU Network and FLUMART

Influenza situation in the Eastern Mediterranean Region W41/2021 (from 10/10/2021 to 16/10/2021) Figure 1. Number of positive influenza cases and influenza positivity rate per week, 2020-2021 Figure 2. Percentage of circulating virus type by positive influenza cases W33/2020 - W41/2021 Last 4 weeks Flu A: A(H1N1)pdm09 46 (3) 11 (5) Source of data : EMFLU Network and FLUMART Flu A: seasonal H3N2 858 (52) 120 (57) Table 1. Type and number of influenza viruses detected from W33/2020 to W41/2021 and during the last four weeks Virus type W33/2020-W41/2021 Last 4 weeks Number (%) Number (%) Flu B 609 (37) 26 (12) Flu A: Unsubtyped 131 (8) 54 (26) Flu A: H5N1 8 (0) Total 1652 211 0 10 20 30 40 50 60 70 80 90 100 0 50 100 150 200 250 300 W 0 1 W 0 2 W 0 3 W 0 4 W 0 5 W 0 6 W 0 7 W 0 8 W 0 9 W 1 0 W 1 1 W 1 2 W 1 3 W 1 4 W 1 5 W 1 6 W 1 7 W 1 8 W 1 9 W 2 0 W 2 1 W 2 2 W 2 3 W 2 4 W 2 5 W 2 6 W 2 7 W 2 8 W 2 9 W 3 0 W 3 1 W 3 2 W 3 3 W 3 4 W 3 5 W 3 6 W 3 7 W 3 8 W 3 9 W 4 0 W 4 1 W 4 2 W 4 3 W 4 4 W 4 5 W 4 6 W 4 7 W 4 8 W 4 9 W 5 0 W 5 1 W 5 2 W 5 3 P er ce n ta g e o f p o si ti v e ca se s (% ) N u m b er o f p o si ti v e in fl u en za c a se s Epi week Number of positive influenza cases - 2020 Number of positive influenza cases - 2021 Percentage of positive cases (%) - 2020 Percentage of positive cases (%) - 2021 3% 52% 8% 0% 37% Flu A: A(H1N1)pdm09 Flu A: seasonal H3N2 Flu A: Unsubtyped Flu A: H5N1 Flu B 5% 57% 26% 12% Flu A: A(H1N1)pdm09 Flu A: seasonal H3N2 Flu A: Unsubtyped Flu B WHO-EM/CSR/468/E 1/2 Flu B Flu A (H1N1)pdm0 9 Flu A (H3N2) Flu A (Not- subtyped) Flu A: H5N1 Number (%) (-) 13 (21) (-) (-) 49 (79) (-) (-) 1 (13) (-) 7 (88) (-) 266 (87) (-) (-) 39 (13) (-) 4 (57) (-) (-) 3 (43) (-) 1 (10) (-) 8 (80) 1 (10) (-) (-) (-) (-) (-) (-) (-) (-) (-) (-) (-) 21 (100) (-) (-) (-) (-) (-) (-) (-) (-) 6 (14) 26 (60) (-) (-) 11 (26) (-) 141 (49) (-) (-) 149 (51) 10 (2) 318 (58) 115 (21) (-) 103 (19) 1 (1) (-) 15 (14) (-) 91 (85) (-) (-) (-) (-) (-) (-) 5 (100) (-) (-) (-) (-) (-) (-) (-) (-) (-) 6 (75) (-) (-) 2 (25) 17 (1) 801 (57) 131 (9) 8 (1) 455 (32) Figure 3. Comparison of respiratory pathogens detected from tested specimens by last 12 weeks Table 2. Reported cases by country during W01-W41/2021 Figure. 4 Age group distribution of influenza cases by virus type in the Region from W33/2020 to W41/2021 Iraq Iran (Islamic Republic of) Egypt Bahrain Afghanistan Positive cases Number of enrolled cases Tested cases number (%) Infuenza positive cases number (%) Flu A Country 2368 1937 (82) 62 (3) 321 6254 1346 695 314 (98) 6254 (100) 1346 (100) Sudan Saudi Arabia Qatar Pakistan Oman Morocco Lebanon Kuwait Jordan 2614 140 2200 122 4871 6002 6993 6001 13 © World Health Organization 2021. 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). Total United Arab Emirates Tunisia 41789 Syrian Arab Republic 690 140 1019 695 (100) 2614 (100) (-) 2200 (100) 122 (100) 4835 (99) 6002 (100) 6993 (100) 4220 (70) 8 (3) 305 (5) 7 (1) 10 (1) (-) (-) 21 (1) (-) 43 (1) (-) 5 (1) (-) 8 (1) 39393 (94) 1412 (4) 290 (5) 546 (8) 107 (3) 13 (100) 689 (100) 140 (100) 1019 (100) 0 10 20 30 40 50 60 70 80 90 2020 2021 2020 2021 2020 2021 2020 2021 2020 2021 2020 2021 2020 2021 2020 2021 2020 2021 2020 2021 2020 2021 2020 2021 W30 W31 W32 W33 W34 W35 W36 W37 W38 W39 W40 W41 N u m b er o f p o si ti v e in fl u en za c a se s Flu A: A(H1N1)pdm09 Flu A: seasonal H3N2 Flu A: Unsubtyped Flu B 0 50 100 150 200 250 Less than 2 years 2 years to less than 5 years 5 years to less than 15 years 15 years to less than 50 years 50 years to less than 65 years 65 years and above N u m b er o f p o si ti v e in fl u en za c a se s Age group Flu A: A(H1N1)pdm09 Flu A: seasonal H3N2 Flu A: Unsubtyped Flu B 2/2