Mass treatment of head louse infestation with Sumithrin powder in primary schools in Korea (original) (raw)

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Original Article

Ree, H I , Yong, T S , Shin, H J , Shin, C O , Lee, I Y , Seo, S A , Seo, J H , Chang, J K , Lee, D H , Im, K I

Korean J Parasitol 1992;30(4):349-354.

Institute of Tropical Medicine, Yonsei University, Seoul, Korea.

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Abstract

A mass treatment of head louse infestation with Sumithrin powder (0.4% phenothrin) in primary school children was implemented during the period of September 1991-May 1992. The infestation rate of total 2,515 children was 38.6% in average (21.2% in boys and 57.2% in girls). The reduction rate of head louse infestation was 93.4% with a single treatment and 94.8% with double consecutive treatments with about 10 days interval, which indicated that a single treatment would be recommended for the mass treatment in the community. Long term follow-up after Sumithrin powder application for head louse control in a primary school showed that the infestation rate dropped from 33.1% before treatment to 5.4% by seven months after treatment, giving a 83.4% reduction rate.

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