Table 1 Laboratory-confirmed influenza cases overall and by type for each country between 2010 and 2017
Influenza transmission zone/country | Influenza cases, N (% of total) | n (% of cases) | A/B ratio | |
|---|---|---|---|---|
Any influenza A | Any influenza B | |||
Eastern Asia | 563,511 (79.2) | 381,783 (67.8) | 181,728 (32.2) | 2.10 |
China | 473,583 (66.5) | 315,130 (66.5) | 158,453 (33.5) | 1.99 |
Japan | 69,123 (9.7) | 53,819 (77.9) | 15,304 (22.1) | 3.52 |
Mongolia | 4055 (0.6) | 2727 (67.3) | 1328 (32.7) | 2.05 |
South Korea | 16,750 (2.4) | 10,107 (60.3) | 6643 (39.7) | 1.52 |
Southern Asia | 54,400 (7.6) | 41,885 (77.0) | 12,515 (23.0) | 3.35 |
Bangladesh | 5582 (0.8) | 3631 (65.0) | 1951 (35.0) | 1.86 |
India | 21,082 (3.0) | 18,024 (85.5) | 3058 (14.5) | 5.89 |
Iran | 9807 (1.4) | 7139 (72.8) | 2668 (27.2) | 2.68 |
Nepal a | 7863 (1.1) | 5590 (71.1) | 2273 (28.9) | 2.46 |
Pakistan b | 2547 (0.4) | 1929 (75.7) | 618 (24.3) | 3.12 |
Sri Lanka | 7519 (1.1) | 5572 (74.1) | 1947 (25.9) | 2.86 |
South-East Asia | 44,681 (6.3) | 28,483 (63.7) | 16,198 (36.3) | 1.76 |
Cambodia | 4077 (0.6) | 2539 (62.3) | 1538 (37.7) | 1.65 |
Indonesia | 7567 (1.1) | 4384 (57.9) | 3183 (42.1) | 1.38 |
Laos c | 3216 (0.5) | 1907 (59.3) | 1309 (40.7) | 1.46 |
Philippines | 5451 (0.8) | 3013 (55.3) | 2438 (44.7) | 1.24 |
Singapore | 10,317 (1.4) | 7441 (72.1) | 2876 (27.9) | 2.59 |
Thailand | 7860 (1.1) | 5190 (66.0) | 2670 (34.0) | 1.94 |
Vietnam | 6193 (0.9) | 4009 (64.7) | 2184 (35.3) | 1.84 |
Oceania-Melanesia-Polynesia | 49,142 (6.9) | 36,112 (73.5) | 13,030 (26.5) | 2.77 |
Australia | 33,393 (4.7) | 25,500 (76.4) | 7893 (23.6) | 3.23 |
New-Zealand | 15,749 (2.2) | 10,612 (67.4) | 5137 (32.6) | 2.07 |
Total | 711,734 (100.0) | 488,263 (68.6) | 223,471 (31.4) | 2.18 |