title: Prioritizing vaccines: whom to immunize first?
authors.forename: J D
authors.initials: JD
authors.lastname: Grabenstein
mesh_terms: D000368:Aged; D005260:Female; D006292:Health Priorities; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control*; D008875:Middle Aged; D011247:Pregnancy; D012307:Risk Factors
chemical_list: D007252:Influenza Vaccines