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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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7 feb 1926 anni - The first vaccine developed for whooping cough
Descrizione:
Efforts to develop an inactivated whole-cell vaccine began soon after B.
Aggiunto al nastro di tempo:
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By
Jonathan Rawlings
6 nov 2018
0
0
186
Data:
7 feb 1926 anni
Adesso
~ 99 years ago
Immagini:
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