An influenza pandemic can happen when a novel flu virus emerges, such as a swine flu.
GM SWINE FLU
$19.95
Description
An influenza pandemic can happen when a novel flu virus emerges, such as a swine flu.Swine flu is an influenza virus that usually affects pigs.
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Billions of people a year catch the cold. Now you can get one too! Learn all about the Common Cold with this cuddly companion.
