Flu Attack! How A Virus Invades Your Body | Krulwich Wonders | NPR03:39
When you get the flu, viruses turn your cells into tiny factories that help spread the disease.
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In this animation, NPR's Robert Krulwich and medical animator David Bolinsky explain how a flu virus can trick a single cell into making a million more viruses.
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Credit: Robert Krulwich, David Bolinsky, Jason Orfanon