Dr. Edward Jenner invented the first vaccine for smallpox in 1796. Vaccines have helped protect people from serious diseases by building up the immune response. The practice of introducing small ...

Vaccination campaigns have nearly eradicated some of the most deadly and transmissible diseases. However, against a backdrop of a rising tide of vaccine hesitancy, and U.S. leaders pulling global ...

Jonas Salk, an epidemiologist who developed the polio vaccine in the 1950s. Prior to official vaccine trials, Salk tested the vaccine on himself and his family in 1953. Photo courtesy of Wikimedia ...

Often called the Speckled monster, Smallpox was one of the most terrifying diseases known to humanity. In 18th-century Europe ...