title: Atypical measles. Severe illness in recipients of killed measles virus vaccine upon exposure to natural infection.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003168:Complement Fixation Tests; D004196:Disease Outbreaks; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007223:Infant; D008457:Measles / Q000453:epidemiology* / Q000276:immunology; D008458:Measles Vaccine / Q000009:adverse effects*; D011014:Pneumonia / Q000150:complications; D013023:South Dakota; D014611:Vaccination
chemical_list: D008458:Measles Vaccine