Template:POTD/2009-02-19
Ever since vaccines were invented, there has been vaccine controversy, which is dispute over the morality, ethics, effectiveness, or safety of vaccination. This cartoon from 1802, entitled The Cow-Pock—or—the Wonderful Effects of the New Inoculation! mocks the rumour that cowpox vaccine would cause cow-like appendages to emerge.Image credit: James Gillray