EL PRIMER ANTIVACUNAS ENCARCELADO: IMMANUEL PFEIFFER.

This article discusses the history of the anti-vaccination movements, dating back to the introduction of the first vaccine by Edward Jenner in the late 18th century. The author comments on Immanuel Pfeiffer, who was an outspoken leader of anti-vaccination and was jailed during the Boston smallpox epidemic of the early 20th century.