[Foci of measles and the factors contributing to its occurrence].
D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D004197:Disease Reservoirs; D006801:Humans; D007109:Immunity; D008457:Measles / Q000453:epidemiology* / Q000276:immunology; D008458:Measles Vaccine / Q000276:immunology; D014586:USSR
D008458:Measles Vaccine
Ochagovost' kori i faktory, sposobstvuiushchie ee vozniknoveniiu.