12 янв 1968 г. - Maurice Hilleman Creates an Improved Measles Vaccine
Описание:
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 MMRДобавлено на ленту времени:
Дата:
12 янв 1968 г.
Сейчас
~ 56 г назад
