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  • Head and body lice appear to be the same species, genetic study finds

    The head louse, left, and body louse, right, differ in habits, habitat and in their ability to transmit disease, but a new genetic analysis indicates they are likely the same species.

    The head louse, left, and body louse, right, differ in habits, habitat and in their ability to transmit disease, but a new genetic analysis indicates they are likely the same species.

    Photo courtesy Centers for Disease Control and Prevention

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  • Editor's note: To contact Barry Pittendrigh, email pittendr@illinois.edu.

    The paper, “Comparison of the transcriptional profiles of head and body lice,” is available online.