Districts at risk for measles in El Salvador.
D000569:Americas; D002489:Central America; D003695:Delivery of Health Care; D003906:Developing Countries; D004194:Disease; D004544:El Salvador; D005843:Geography; D006262:Health; D006296:Health Services; D007114:Immunization; D007843:Latin America; D008457:Measles; D009656:North America; D011153:Population; D011320:Primary Health Care; D012106:Research; D014777:Virus Diseases
Administrative Districts; Americas; Central America; Delivery Of Health Care; Developing Countries; Diseases; El Salvador; Geographic Factors; Health; Health Services; Immunization; Latin America; Measles--prevention and control; North America; Population; Primary Health Care; Summary Report; Viral Diseases