From: Prevalence of Enterobius vermicularis infections and associated risk factors among schoolchildren in Nakhon Si Thammarat, Thailand
School
Number examination
Number positive
Positive (%)
1
58
2
3.45
32
0
3
19
15.79
4
29
5
46
10.87
6
37
10.81
7
42
7.14
8
41
2.44
9
10
43
2.32
11
31
9.68