ahlam1399
03-12-2019, 12:52 AM
SA is not yet polio-free (https://www.health-e.org.za/2019/03/11/sa-is-not-yet-polio-free/) Health-e NewsSouth Africa is part of a 'pariah group' of countries not yet certified polio-free, thanks to weaknesses in our disease surveillance and vaccination.
أكثر... (https://www.health-e.org.za/2019/03/11/sa-is-not-yet-polio-free/)
أكثر... (https://www.health-e.org.za/2019/03/11/sa-is-not-yet-polio-free/)