[Head Louse Infestation Among The Students In Yongyang-Gun, Kyongsangbuk-To].

The purpose of this study is to know the present situation of head louse infestation among the students in Yongyang-gun, Kyongsangbuk-to From May 11 to June 20, 1984, a total of 5,937 students in 23 primary and 3 middle schools were examined to identify the adult worms of head louse and/or their nits on the hair. The results are as follows: 1. The overall infestation rate was 44.

[Status of Enterobius vermicularis Iifection in primary school children, Yongyang-Kun, Kyongbuk Province].

An epidemiological study was undertaken to estimate the prevalence of Enterobius vermicularis infection among the primary (and infant) school children in Yongyang-gun, Kyongsangbuk-do. During the period from 2 to 14 December 1983, a total of 2,227 school children in 13 schools were examined one time by means of scotch-tape anal swab technique with a simple questionaire study on perianal itching, enuresis and school record. The results are as follows:The overall egg positive rate was 64.