title: Influenza vaccine ... to whom and when?
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006287:Health Planning Guidelines; D006801:Humans; D017589:Immunization Programs; D007115:Immunization Schedule; D007223:Infant; D007252:Influenza Vaccines; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D013997:Time Factors
chemical_list: D007252:Influenza Vaccines