Control of smallpox and influenza.
D004196:Disease Outbreaks; D006801:Humans; D007194:India; D007252:Influenza Vaccines / Q000592:standards; D007251:Influenza, Human / Q000517:prevention & control*; D008887:Military Medicine; D011057:Politics; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000592:standards; D012959:Socioeconomic Factors; D014481:United States; D014611:Vaccination
D007252:Influenza Vaccines; D012900:Smallpox Vaccine