title: Expanded programme on immunization. A parish-level evaluation of the surveillance system.
mesh_terms: D006801:Humans; D007114:Immunization; D007563:Jamaica / Q000453:epidemiology; D008457:Measles / Q000453:epidemiology / Q000517:prevention & control; D011159:Population Surveillance; D012409:Rubella / Q000453:epidemiology / Q000517:prevention & control