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1 janv. 1957 - Asian Flu

Description:

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.

Ajouté au bande de temps:

B HLTH 224

ByKelly Stevens
13 déc. 2018
1
0
908

Date:

1 janv. 1957
Maintenaint
~ Il y a 68 ans

Les images:

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