Adult head lice are most likely to initiate new infestations

According to a recently published report from the United States, "Millions of people are infested by head lice every year. However, louse transfer between hosts is not well understood.

"Our goals were to determine: (1) which stages were most likely to disperse and why, (2) the likelihood of fomites transmission, and (3) if host blood gender affects louse development."

"Various life stages of lice at differing densities were permitted to cross over a 15-cm hair bridge placed between two artificial blood-feeding arenas. Louse transfer caused by hot air movements, combing,...

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