Cover your cough and wash your hands! Later this week, we’ll post an experiment that illustrates how far the biggest drops from your sneeze or cough can travel. (The smaller ones can go much further.)
Here’s an amazing animation created by medical animator David Bolinsky and narrated by NPR’s Robert Krulwich that shows you how a flu virus can trick a single cell into making a million more viral particles that can go on to infect other cells, until your immune system stops them.
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