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7 dic 1955 anni - Jonas Salk (IPV)
Descrizione:
IPV injects dead viruses in the patient. It is more expensive compared to the OPV. It requires a health official to administer the shot.
Aggiunto al nastro di tempo:
The History of Infectious Diseases
By
Valerie Lu
14 dic 2018
1
0
755
Data:
7 dic 1955 anni
Adesso
~ 68 years ago
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