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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jan 1957 ano - Asian Flu

Descrição:

H2N2. 2 million deaths worldwide; 69,000 in US. Started in China antigen shift - never been seen before. low mortality rate. Maurice Hilleman jump started vaccinne production.

Adicionado na linha do tempo:

B HLTH 224

ByKelly Stevens
13 dez 2018
1
0
901

Data:

1 jan 1957 ano
Agora
~ 68 years ago

Imagens:

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