Vaccine-derived polioviruses: is it time to stop using the word "rare"?
Dowdle
Walter
W
Kew
Olen
O
D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology / Q000276:immunology* / Q000517:prevention & control; D023321:Poliovirus Vaccines; D014611:Vaccination / Q000706:statistics & numerical data / Q000639:trends
D023321:Poliovirus Vaccines