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6 ore 17 min, 29 giug 1960 anni - Se autoriza oficialmente la vacuna contra la polio de Sabin

Descrizione:

La vacuna viva contra el poliovirus de Albert Sabin recibió la recomendación del Cirujano General de EE.UU. para que se le otorgara autorización oficial. Esta vacuna brindaba protección contra el poliovirus tipo 1.
http://investigacion.izt.uam.mx/hepa/Vacunas.pdf

Aggiunto al nastro di tempo:

Vacunación

ByReDCid UvU
16 nov 2017
0
0
417

Data:

6 ore 17 min, 29 giug 1960 anni
Adesso
~ 65 years ago

Immagini:

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