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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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7 ene 1796 año - Invention of Vaccination by Dr. Edward Jenner using cowpox as a vaccination against smallpox.
Añadido al timeline:
BMS 223 Timeline
By
clayton VanOveren
17 ene 2024
0
0
117
fecha:
7 ene 1796 año
Ahora mismo
~ 229 years ago
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