title: Active immunization of infants and children.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003140:Communicable Disease Control; D005260:Female; D006801:Humans; D007110:Immunity, Active; D007115:Immunization Schedule; D007158:Immunologic Techniques; D007223:Infant; D007231:Infant, Newborn; D007861:Lebanon; D008297:Male