[Results, thus far, of the mass immunization of the population of the Soviet Union against poliomyelitis with living attenuated Sabin viruses].
D002690:Chlamydia Infections; D006801:Humans; D032541:Mass Vaccination; D011051:Poliomyelitis / Q000276:immunology*; D014586:USSR; D014780:Viruses
POLIOMYELITIS/immunology