1 янв 1796 г. - Edward Jenner, inventor of the smallpox vaccine

Описание:

Using cowpox, a similar disease to smallpox, Jenener created an effective means of vaccination

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microbiotimlin

ByMiles Thomas

9 мес назад

Дата:

1 янв 1796 г.

Сейчас

~ 229 г назад

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