Control of smallpox.
D002353:Carrier State; D004196:Disease Outbreaks / Q000517:prevention & control; D006760:Hospitalization; D006801:Humans; D008499:Medical Records; D011790:Quarantine; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine; D014611:Vaccination
D012900:Smallpox Vaccine