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Hong Kong Flu (31 dez 1968 ano – 31 dez 1969 ano)

Descrição:

An influenza outbreak in Hong Kong between 1968 and 1969. It was caused by an H3N2 strain of the influenza A virus, descended from H2N2 through antigenic shift.

Adicionado na linha do tempo:

Data:

31 dez 1968 ano
31 dez 1969 ano
~ 12 months