New outbreaks of polio: WHO issues travel warning.
Aleksandra
A
Misak
D000349:Africa / Q000453:epidemiology; D004196:Disease Outbreaks; D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*; D014195:Travel; D014944:World Health Organization
D011055:Poliovirus Vaccine, Oral