Table 4.
Symptomatic | Asymptomatic | |||
Age groups | Positive | Negative | Positive | Negative |
6–10 | 4 | - | 2 | 4 |
11–15 | 10 | 5 | 2 | 3 |
16–20 | 19 | - | 2 | 11 |
21–25 | 20 | 2 | 6 | 8 |
26–30 | 25 | - | 8 | 20 |
31–35 | - | - | 19 | 27 |
36–40 | - | - | 12 | 2 |
41–45 | - | 9 | 1 | |
2 | ||||
Total | 80 | 7 | 60 | 76 |