Prevention as policy.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003140:Communicable Disease Control / Q000639:trends*; D003141:Communicable Diseases / Q000276:immunology; D004813:Epidemiology; D006040:Goals; D006291:Health Policy; D006304:Health Status; D006630:Hispanic or Latino; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D014481:United States