Influenza.
D000818:Animals; D049668:History, 15th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D009980:Influenza A virus / Q000276:immunology; D007252:Influenza Vaccines / Q000008:administration & dosage; D007251:Influenza, Human / Q000266:history / Q000276:immunology / Q000382:microbiology / Q000517:prevention & control; D009975:Orthomyxoviridae / Q000276:immunology; D014481:United States; D014611:Vaccination
D007252:Influenza Vaccines