A MASS VACCINATION CAMPAIGN AGAINST POLIOMYELITIS USING THE SABIN ORAL VACCINE.
D000293:Adolescent; D002648:Child; D002681:China; D004813:Epidemiology; D006801:Humans; D007223:Infant; D032541:Mass Vaccination; D011051:Poliomyelitis; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D013223:Statistics as Topic; D014611:Vaccination
D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
ADOLESCENCE; CHILD; CHINA; EPIDEMIOLOGY; INFANT; POLIOMYELITIS; POLIOVIRUS VACCINE, ORAL; STATISTICS; VACCINATION