Table 2 Etiology of by cases, controls and mono-infections
FRI Cases (n = 7733) | Controls (n = 1344) | Mono-infection (n = 3430†) | ||
|---|---|---|---|---|
Virus | No. of positives (%) (n = 3794) | No. of ILIs positives (%) (n = 2146) | No. of positives (%) (n = 115) | No. of positives (%) (n = 2128) |
Coxsackie/Echovirus | 708 (9.2) | 318 (4.1) | 37 (2.8) | 324 (9.4) |
Influenza B | 604 (7.8) | 449 (5.8) | 7 (0.5) | 441 (12.9) |
Rhinovirus | 574 (7.4) | 220 (2.8) | 24 (1.8) | 257 (7.5) |
Influenza A(H1N1)pdm09 | 568 (7.3) | 393 (5.1) | 3 (0.2) | 459 (13.4) |
Adenovirus E | 516 (6.7) | 317 (4.1) | 9 (0.7) | 100 (2.9) |
Coronavirus OC43 | 235 (3.0) | 103 (1.3) | 10 (0.7) | 83 (2.4) |
Human Metapneumovirus | 142 (1.8) | 82 (1.1) | 0 (0.0) | 60 (1.7) |
Influenza A(H3N2) | 137 (1.8) | 96 (1.2) | 4 (0.3) | 107 (3.1) |
Parainfluenza 3 | 122 (1.6) | 58 (0.8) | 1 (0.1) | 48 (1.4) |
Adenovirus B | 116 (1.5) | 85 (1.1) | 4 (0.3) | 29 (0.8) |
Enterovirus | 109 (1.4) | 42 (0.5) | 4 (0.3) | 35 (1.0) |
Coronavirus NL63 | 62 (0.8) | 31 (0.4) | 0 (0.0) | 34 (1.0) |
Coronavirus 229E | 61 (0.8) | 26 (0.3) | 6 (0.4) | 30 (0.9) |
Influenza A (Unknown type) | 60 (0.8) | 34 (0.4) | 8 (0.6) | 41 (1.2) |