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27 März 1933 Jahr - Influenza discovered

Beschreibung:

Injected bacteria into pigs
turn out disease caused by virus not bacteria
11 years of research
study ferret flu

Zugefügt zum Band der Zeit:

new disease

14 Dez 2018

1

0

554

Datum:

27 März 1933 Jahr

Jetzt

~ 92 years ago

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