Table. Age groups, median ages, and case-fatality ratios for influenza A (H5N1) case-patients, by influenza season, Egypt*.
| Influenza season, August–July | No. case-patients by age group, y |
Total no. case-patients | Median age, y | Case-fatality ratio | |||||
|---|---|---|---|---|---|---|---|---|---|
| 1–8 | 9–20 | 21–30 | 31–40 | 41–74 | >75 | ||||
| 2005–06 | 4 | 4 | 3 | 2 | 0 | 1 | 14 | 18.0 | 42.8 |
| 2006–07 | 13 | 5 | 4 | 2 | 0 | 0 | 24 | 6.5 | 37.5 |
| 2007–08 | 3 | 2 | 5 | 1 | 1 | 0 | 12 | 23.5 | 58.3 |
| 2008–09 |
28 |
1 |
1 |
3 |
0 |
0 |
33 |
3.0 |
15.1 |
| Total | 48 | 12 | 13 | 8 | 1 | 1 | 83 | — | — |
*Age at date of clinical sign onset; data from the World Health Organization (2).