Revamping of Vaccines (11 фев 1979 г. – 11 фев 1985 г.)
Описание:
Society becoming indifferent towards infections diseases that had been so drastically reduced by vaccination in combo with increased international travel made infectious disease start to make a comeback.Добавлено на ленту времени:
Дата:
11 фев 1979 г.
11 фев 1985 г.
~ 6 years
