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1 янв 1957 г. - Asian Flu

Описание:

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.

Добавлено на ленту времени:

B HLTH 224

ByKelly Stevens
13 дек 2018
1
0
908

Дата:

1 янв 1957 г.
Сейчас
~ 68 г назад

Изображения:

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