WPV cases and news coverage Compared with the number of Wild Polio... | Download Scientific Diagram
Oral polio vaccine dose history among children aged 6–59 months with non- polio acute flaccid paralysis ( NPAFP) in countries experiencing WPV importations during 2009–2013 and selected neighbours, Africa, July 2013–June 2014 - World | ReliefWeb
Poliomyelitis eradication and poliovirus laboratory containment - GAPIII (Global Action Plan III) | Belgian Biosafety Server