Table 1. Percent of Rift Valley fever virus IgG-positive human serum samples by sex and age group, Botswana*.
| Age group | Age, y | Women |
Men |
Unknown |
|||||
|---|---|---|---|---|---|---|---|---|---|
| No. patients | No. IgG positive (%, 95% CI) | No. patients | No. IgG positive (%, 95% CI) | No. patients | No. IgG positive (%, 95% CI) | ||||
| Child | <12 | 15 | 0 (0, 0–20) | 17 | 0 (0, 0–18) | 2 | 0 (0, 0–66) | ||
| Adolescent | 13–19 | 57 | 1 (2, 0–9) | 9 | 0 (0, 0–30) | 1 | 0 (0, 0–79) | ||
| Young adult | 20–24 | 152 | 2 (1, 0–5) | 26 | 1 (4, 1–19) | 2 | 0 (0, 0–66) | ||
| Adult | 25–44 | 538 | 24 (4, 3–7) | 150 | 7 (5, 2–9) | 25 | 0 (0, 0–13) | ||
| Middle-aged | 45–64 | 78 | 7 (9, 4–17) | 45 | 4 (9, 4–21) | 4 | 1 (25, 5–70) | ||
| Aged | 65–79 | 5 | 1 (20, 4–62) | 10 | 5 (50, 24–76) | 1 | 0 (0, 0–79) | ||
| Elderly | >80 | 5 | 2 (40, 12–77) | 3 | 2 (67, 21–94) | 0 | NA | ||
| Unknown |
NA |
11 |
1 (9, 2–38) |
|
6 |
2 (33, 10–70) |
|
114 |
5 (4, 2–10) |
| Total |
861 |
38 (4, 3–6) |
|
266 |
21 (9, 6–14) |
|
149 |
6 (4, 2–9) |
|
| *NA, not applicable | |||||||||