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head lice mutation treatment resistant orig nws_00000000
head lice mutation treatment resistant orig nws_00000000

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    Are head lice becoming harder to kill?

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Are head lice becoming harder to kill?

CNN's Elizabeth Cohen on a new report that says head lice may be becoming resistant to over-the-counter treatments.

Are head lice becoming harder to kill?

CNN's Elizabeth Cohen on a new report that says head lice may be becoming resistant to over-the-counter treatments.