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1 janv. 1700 - Primeros pasos

Description:

Curanderos chinos utilizan las costras de la viruela para inmunizar intranasalmente o en contacto con la piel

Ajouté au bande de temps:

Linea del Tiempo de la Vacunacion

16 nov. 2017

0

0

449

Date:

1 janv. 1700

Maintenaint

~ Il y a 326 ans

Les images:

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