feb 15, 1957 - Asian Flu: 1957-58
Description:
It originated in Hong Kong; a strain of influenza presenting as H2N2 (meaning it's hemagglutinin was type 2 and it's neraminidase was type 2) it ultimately spread across the world and infected one third of the population.
Added to timeline:
Disease Through History: Important Points in Human Civilization As Told Through Illness
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