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adult female louse on human hair

adult female louse on human hair

A female adult head louse holds onto human hairs as it is filmed under a microscope by crew members of KQED and PBS’ Deep Look video series. The brown line visible inside the louse, on the left side of its body, is the blood meal it took when it lived on a human host’s scalp. (Photo by Josh Cassidy/KQED)

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