From the Centers for Disease Control and Prevention. Circulation of a type 2 vaccine-derived poliovirus--Egypt, 1982-1993.
D004196:Disease Outbreaks; D004534:Egypt / Q000453:epidemiology; D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology* / Q000209:etiology; D011055:Poliovirus Vaccine, Oral / Q000009:adverse effects*; D014611:Vaccination
D011055:Poliovirus Vaccine, Oral