Welcome, visitor! [ Login

Listings tagged with 'polio' (2)

 

when did they stop vaccinating for polio ?

https://www.who.int › news-room › spotlight › history-of-vaccination › history-of-polio-vaccinationhttps://www.who.int › news-room › spotlight › history-of-vaccination › history-of-polio-vaccination History of polio vaccination – World Health Organization […]

90 total views, 0 today

 

when did they stop vaccine for polio ?

https://www.who.int › news-room › spotlight › history-of-vaccination › history-of-polio-vaccinationhttps://www.who.int › news-room › spotlight › history-of-vaccination › history-of-polio-vaccination History of polio vaccination – World Health Organization […]

94 total views, 0 today