Flu Attack! How A Virus Invades Your Body

>> Monday, October 26, 2009

NPR's Robert Krulwich explains how the flu is spread, and epidemics develop.
When you get the flu, viruses turn your cells into tiny factories that help spread the disease. 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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