Table 4.
Prevalence of IgG antibody against TAHV by age class in the Qinghai study locations
| Age group (years) | Total | Geermu city | Xining city | Minhe county | ||||
|---|---|---|---|---|---|---|---|---|
| No. | IgG | No. | IgG | No. | IgG | No. | IgG | |
| 0–4 | 135 | 2 (1.5%) | 53 | 2 (3.8%) | 52 | 0 | 30 | 0 |
| 5–9 | 232 | 6 (2.6%) | 70 | 5 (7.1%) | 80 | 1 (1.3%) | 82 | 0 |
| 10–14 | 203 | 5 (2.5%) | 62 | 4 (6.5%) | 44 | 0 | 97 | 1 (1.0%) |
| 15–19 | 175 | 2 (1.1%) | 61 | 2 (3.3%) | 47 | 0 | 67 | 0 |
| 20–29 | 92 | 4 (4.3%) | 48 | 3 (6.3%) | 36 | 1 (2.8%) | 8 | 0 |
| 30–49 | 121 | 0 | 36 | 0 | 41 | 0 | 44 | 0 |
| > 50 | 120 | 0 | 36 | 0 | 52 | 0 | 32 | 0 |
| Total | 1,078 | 19 (1.8%) | 366 | 16 (4.4%) | 352 | 2 (0.6%) | 360 | 1 (0.3%) |