Spanish flu may have lingered two years before 1918 outbreak and vaccine could have treated it

The most severe pandemic in recent history, killing some 50 million people worldwide, the Spanish influenza, may have emerged up to two years earlier than previously believed. And, according to a new and influential study, its early manifestation was ignored at the time as a ‘minor infection.’

from https://www.sciencedaily.com/releases/2019/05/190523202557.htm

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