Measles immunization in the Zambian Copperbelt: "cause for concern"?
D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008457:Measles / Q000517:prevention & control*; D008458:Measles Vaccine / Q000276:immunology*; D014611:Vaccination; D015024:Zambia
D008458:Measles Vaccine