Contact: Diana Yates, Life Sci Editor, U. of I. News Bureau
University of Illinois at Urbana-Champaign
Caption: The human head louse, left, and body louse, right, are the same species, but differ in their ability to transmit disease to their host. Researchers now think they know why.
Credit: Centers for Disease Control and Prevention
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Related news release: 1 species, 2 outcomes: Team seeks source of body louse pathology