A measles outbreak and the failure to obtain immunization.
D000367:Age Factors; D002662:Child Health Services; D002675:Child, Preschool; D003695:Delivery of Health Care; D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008396:Maryland; D008457:Measles / Q000453:epidemiology* / Q000517:prevention & control; D008458:Measles Vaccine; D014505:Urban Population; D014611:Vaccination
D008458:Measles Vaccine