| Children (aged ⩽16 years) | Adults (aged >16 years) | |||||
|---|---|---|---|---|---|---|
| 1997 Hong Kong (n = 7) | 2004 Vietnam (n = 7) | 2004 Thailand (n = 7) | 1997 Hong Kong (n = 5) | 2004 Vietnam (n = 3) | 2004 Thailand (n = 5) | |
| NR, not known or reported. | ||||||
| Male (%) | 3 (43) | 3 (43) | 7 (100) | 1 (20) | 3 (100) | 1 (20) |
| Mean age (years) | 4.1 | 10.3 | 6.4 | 36.4 | 21.7 | 40.2 |
| Clinical features n (%) | ||||||
| Fever | 7 (100) | 7 (100) | 7 (100) | 5 (100) | 3 (100) | 5 (100) |
| Headache | 1 (14) | NR | NR | 1 (20) | NR | NR |
| Sore throat | 2 (29) | NR | 6 (86) | 1 (20) | NR | 3 (60) |
| Rhinorrhoea | 4 (57) | NR | 3 (43) | 2 (40) | NR | 1 (20) |
| Dyspnoea | NR | 7 (100) | 7 (100) | NR | 3 (100) | 5 (100) |
| Cough | 4 (57) | 7 (100) | 7 (100) | 4 (80) | 3 (100) | 5 (100) |
| Sputum | 0 | 2 (29) | NR | 2 (40) | 3 (100) | NR |
| Diarrhoea | 1 (14) | 4 (57) | 3 (43) | 1 (20) | 3 (100) | 2 (40) |
| Vomiting | 2 (29) | NR | 2 (29) | 2 (40) | NR | 1 (20) |
| Abdominal pain | 1 (14) | NR | 2 (29) | 1 (20) | NR | 0 |
| Deranged LFTs | 2 (29) | 5 of 5 (100) | NR | 4 (80) | 1 of 1 (100) | NR |
| Raised ALT | 1 (14) | 5 of 5 (100) | NR | 3 (60) | 1 of 1 (100) | NR |
| Thrombocytopenia | 1 (14) | 6 (86) | 4 (57) | 3 (60) | 3 (100) | 0 |
| Lymphopenia | 5 (71) | 7 (100) | 4 (57) | 5 (100) | 3 (100) | 3 (60) |
| Leucopenia | 2 (29) | 7 (100) | 6 (86) | 2 (40) | 3 (100) | 1 (20) |
| CXR pneumonia | 1 (14) | 7 (100) | 8 (57) | 4 (80) | 3 (100) | 5 (100) |
| Died | 2 (29) | 6 (86) | 6 (86) | 4 (80) | 2 (67) | 2 (40) |