Extention of vaccination to the poor - Smallpox
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Extention of vaccination to the poor - Smallpox. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Extention of vaccination to the poor - Smallpox. Wellcome Collection. Source: Wellcome Collection.