1802 painting of smallpox vaccine inventor Dr. Edward Jenner vaccinating a room full of people who then sprout cows from their bodies.
The painting illustrates popular 17th century fears about vaccination. The caption reads "The Cow Pock - or - the Wonderful Effects of the New Inoculation."


1802 painting of smallpox vaccine inventor Dr. Edward Jenner vaccinating a room full of people who then sprout cows from their bodies.
Source: National Library of Medicine History of Medicine Collection, "The Cow Pock - or - the Wonderful Effects of the New Inoculation," ihmj.nlm.gov (accessed Jan. 7, 2010)