General recommendations on immunization.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003140:Communicable Disease Control; D005260:Female; D006801:Humans; D007115:Immunization Schedule; D007117:Immunization, Secondary; D007121:Immunocompetence; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy