Vaccination with the CHAT strain of type 1 attenuated poliomyelities virus in Leopoldville, Belgian Congo. 1. Description of the city, its history of poliomyelitis, and the plan of the vaccination campaign.
D002648:Child; D015023:Democratic Republic of the Congo; D006801:Humans; D015994:Incidence; D007223:Infant; D011051:Poliomyelitis / Q000276:immunology*; D017955:Poliovirus; D014611:Vaccination
POLIOMYELITIS/immunology