title: Agencies prepare worst-case flu vaccine.
authors.forename: Brian
authors.initials: B
authors.lastname: Vastag
mesh_terms: D000818:Animals; D002487:Centers for Disease Control and Prevention, U.S.; D004196:Disease Outbreaks / Q000517:prevention & control*; D014943:Global Health; D006801:Humans; D009980:Influenza A virus / Q000276:immunology; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control* / Q000662:veterinary; D011200:Poultry / Q000821:virology; D011201:Poultry Diseases / Q000453:epidemiology / Q000821:virology; D014481:United States
chemical_list: D007252:Influenza Vaccines