Table 2.
Prevalence of adverse events within 7 days following seasonal influenza vaccine, n = 2089 vaccine recipients. Lao PDR 2012
| No. interviewed | % of all interviewed | AEFI | % of all AEFI (95% CI) | |
|---|---|---|---|---|
| Total | 2089 | 261 | 12·5% | |
| Target group | ||||
| Pregnant women | 187 | 9·0% | 23 | 12·3% (7·9–16·7) |
| Persons aged ≥50 years | 819 | 39% | 73 | 8·9% (6·9–10·9) |
| Persons with chronic disease | 733 | 35% | 98 | 13·4% (10·2–16·6) |
| Healthcare personnel | 343 | 16% | 67 | 19·5% (12·1–26·9) |
| Others | 7 | 0·3% | 0 | 0% |
| Province | ||||
| Luang Prabang | 520 | 25% | 58 | 11·2% (9·7–12·5) |
| Vientiane capital | 535 | 26% | 94 | 17·6% (11·7–23·5) |
| Savannakhet | 489 | 23% | 40 | 8·2% (4·4–12·0) |
| Champasak | 545 | 26% | 69 | 12·7% (8·1–17·3) |
| Sex | ||||
| Female | 1539 | 74% | 210 | 13·6% (11·1–16·2) |
| Male | 550 | 26% | 51 | 9·3% (6·0–12·6) |
| Ethnic group | ||||
| Lao Loum | 1646 | 79% | 227 | 13·8% |
| Lao Theung | 418 | 20% | 33 | 7·9% |
| Lao Soung | 16 | 0·8% | 1 | 6·3% |
| Other | 9 | 0·4% | 0 | 0% |