Comparison between Smallpox and Cow Pox
Licence: Public Domain Mark
Credit: Comparison between Smallpox and Cow Pox. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0040289/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Comparison between Smallpox and Cow Pox. Wellcome Collection. Source: Wellcome Collection.