title: Expanded programme on immunization. Safety and efficacy of high titre measles vaccine at 6 months of age.
mesh_terms: D002675:Child, Preschool; D003140:Communicable Disease Control / Q000379:methods*; D015023:Democratic Republic of the Congo / Q000453:epidemiology; D006169:Guinea-Bissau / Q000453:epidemiology; D006801:Humans; D007114:Immunization / Q000592:standards*; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D008457:Measles / Q000453:epidemiology* / Q000401:mortality / Q000517:prevention & control; D012675:Senegal / Q000453:epidemiology