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23 ore 29 min, 18 feb 1949 anni - Bodian descubre tres tipos de poliovirus

Descrizione:

El Dr. David Bodian, (1910-1992) y la Dra. Isabel Morgan (1911-1996), investigadores de la Escuela de Medicina de la Universidad Johns Hopkins, publicaron un estudio donde identificaban tres tipos de poliovirus.

Aggiunto al nastro di tempo:

Vacunación

ByReDCid UvU
16 nov 2017
0
0
417

Data:

23 ore 29 min, 18 feb 1949 anni
Adesso
~ 76 years ago

Immagini:

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