12 gen 1968 anni - Maurice Hilleman Creates an Improved Measles Vaccine
Descrizione:
Using a weaker measles virus, the Edmonton-Enders strain vaccine is to this day the go-to for measles vacination, combined often with the mumps and rubella vaccines to make the MMRAggiunto al nastro di tempo:
Data:
12 gen 1968 anni
Adesso
~ 57 years ago