[Incidence of measles among vaccinated children with seronegative reaction].
D006801:Humans; D008457:Measles / Q000453:epidemiology* / Q000276:immunology; D008458:Measles Vaccine / Q000276:immunology
D008458:Measles Vaccine
Zabolevaemost' kor'iu sredi vaktsinirovannykh seronegativnykh k étoĭ infektsii deteĭ.