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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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14 maio 1796 ano - James Phipps is Experimented on and shows no symptoms of Smallpox. Thus the creation of the Smallpox Vaccine.
Adicionado na linha do tempo:
The Field of Microbiology - Through the Ages
By
William Student - George
22 jan 2020
1
0
340
Data:
14 maio 1796 ano
Agora
~ 229 years ago
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