Table 2 Five epidemics of avian influenza A (H7N9) virus in humans in 2013–17 (%)
Province | First epidemic (2013.1–2013.9) | Second epidemic (2013.10–2014.9) | Third epidemic (2014.10–2015.9) | Fourth epidemic (2015.10–2016.9) | Fifth epidemic (2016.10–2017.9) | Total | Rank |
|---|---|---|---|---|---|---|---|
Zhejiang | 45 (13.89) | 93 (28.70) | 46 (14.20) | 36 (11.11) | 104 (32.10) | 324 | 1 |
Guangdong | 1 (0.39) | 105 (40.70) | 73 (28.68) | 15 (5.81) | 64 (24.42) | 258 | 2 |
Jiangsu | 28 (11.72) | 27 (11.30) | 23 (9.62) | 26 (10.88) | 135 (56.49) | 239 | 3 |
Anhui | 5 (4.55) | 14 (12.73) | 14 (13.64) | 5 (4.55) | 71 (64.55) | 109 | 4 |
Fujian | 5 (4.67) | 17 (15.89) | 41 (38.32) | 10 (9.35) | 34 (31.78) | 107 | 5 |
Hunan | 2 (2.11) | 22 (23.16) | 2 (2.11) | 8 (8.42) | 61 (64.21) | 95 | 6 |
Shanghai | 33 (60.00) | 8 (14.55) | 6 (10.91) | 2 (3.64) | 6 (10.91) | 55 | 7 |
Jiangxi | 6 (11.32) | 2 (3.77) | 3 (5.66) | 3 (5.66) | 39 (73.58) | 53 | 8 |
Sichuan | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 39 (100.00) | 40 | 9 |
Beijing | 2 (5.88) | 3 (8.82) | 2 (5.88) | 3 (8.82) | 24 (70.59) | 34 | 10 |
Guangxi | 0 (0) | 3 (9.38) | 0 (0) | 0 (0) | 29 (90.63) | 32 | 11 |
Hebei | 1 (3.13) | 0 (0) | 0 (0) | 3 (9.38) | 28 (87.50) | 32 | 12 |
Henan | 4 (12.50) | 0 (0) | 0 (0) | 1 (3.13) | 27 (84.38) | 32 | 13 |
Hubei | 0 (0) | 0 (0) | 1 (3.13) | 1 (3.13) | 30 (93.75) | 32 | 14 |
Shandong | 2 (7.14) | 3 (10.71) | 1 (3.57) | 3 (10.71) | 19 (67.86) | 28 | 15 |
Guizhou | 0 (0) | 1 (5.00) | 1 (5.00) | 0 (0) | 18 (90.00) | 20 | 16 |
Xinjiang | 0 (0) | 2 (15.38) | 8 (61.54) | 0 (0) | 3 (23.08) | 13 | 17 |
Chongqing | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 9 (100.00) | 9 | 18 |
Shaanxi | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 7 (100.00) | 7 | 19 |
Liaoning | 0 (0) | 0 (0) | 0 (0) | 1 (16.67) | 5 (83.33) | 6 | 20 |
Yunnan | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 6 (100.00) | 6 | 21 |
Gansu | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 5 (100.00) | 5 | 22 |
Tianjin | 0 (0) | 0 (0) | 0 (0) | 2 (40.00) | 3 (60.00) | 5 | 23 |
Jilin | 0 (0) | 2 (66.67) | 0 (0) | 0 (0) | 1 (33.33) | 3 | 24 |
Shanxi | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 3 (100.00) | 3 | 25 |
Xizang | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 3 (100.00) | 3 | 26 |
Inner Mongolia | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 2 (100.00) | 2 | 27 |
Total | 134 (8.63) | 302 (19.46) | 221 (14.43) | 119 (7.67) | 776 (50.00) | 1553 |