Table 1. Symptoms reported by contacts and peers who became ill during pandemic (H1N1) 2009–related school closures, Perth, Western Australia, Australia, June 8–14, 2009.
| Sign or symptom | No. (%) persons with ILI,* n = 6 | No. (%) persons with URI,† n = 13 | Total no. (%) persons, n = 19 |
|---|---|---|---|
| Fever | 6 (100) | 1 (8) | 7 (37) |
| Sore throat | 6 (100) | 6 (46) | 12 (63) |
| Headache | 5 (83) | 4 (31) | 9 (47) |
| Cough | 4 (67) | 4 (31) | 8 (42) |
| Runny nose | 4 (67) | 7 (54) | 11 (58) |
| Sneezing | 3 (50) | 2 (15) | 5 (26) |
| Chills | 2 (33) | 0 | 2 (11) |
| Fatigue | 1 (17) | 1 (8) | 2 (11) |
| Muscle aches | 0 | 2 (15) | 2 (11) |
| Diarrhea | 0 | 1 (8) | 1 (5) |
| Vomiting | 0 | 2 (15) | 2 (11) |
| Other | 0 | 4 (31) | 4 (21) |
*ILI, influenza-like illness; defined as a history of fever with cough, sore throat, or both. †URI, upper respiratory infection; defined as an illness not meeting ILI criteria but with >1 of the following: sore throat, cough, or runny nose.