Scientists have “reconstructed” the genome of the 1918–1920 influenza virus, using a sample from a patient in Switzerland. Researchers from the universities of Basel and Zurich studied a sample from ...
A scientist harvests H7N9 virus growing in bird eggs. The Centers for Disease Control and Prevention received samples of the virus from China. — James Gathany/CDC/Douglas E. Jordan / (CC0 1.0) A ...
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