1 янв 2004 г. - 80 million African children get polio vax in 23 days
Описание:
In Africa, synchronized National Immunization Days in 23 countries target 80 million children, the largest coordinated polio immunization effort on the continent.Добавлено на ленту времени:
Дата:
1 янв 2004 г.
Сейчас
~ 21 г назад