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22 avr. 1796 - Edward Jenner uses variolation to infect James Phillips

Description:

Scraped the cowpox from infected person and purposefully infected him

Ajouté au bande de temps:

Diseases that challenged the scientific community

14 déc. 2018

1

0

613

Date:

22 avr. 1796

Maintenaint

~ Il y a 229 ans

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