Factors
Entities
Continental ArmyAmerican RevolutionSkin conditionVirulenceBoulderInoculationCase fatality rateSiegeSmallpox vaccineKingdom of EnglandNational Archives and Records AdministrationSmallpoxSnopesUnited AirlinesBostonPhiladelphiaNazi GermanyImmune systemGeorge WashingtonGoogleGeneral officerMicrosoftColoradoUnited States ArmyMemeVaccinationCitySocial mediaVaccineUnited StatesPresident of the United StatesVariolationMount VernonProvince of Massachusetts BayEdward JennerMedical literatureEpidemicDisease

