Health department outlines influenza vaccine needs.
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007251:Influenza, Human / Q000517:prevention & control*; D010414:Pennsylvania; D011247:Pregnancy; D013221:State Health Plans; D014481:United States; D014612:Vaccines / Q000008:administration & dosage*
D014612:Vaccines