Medically reviewed by Geetika Gupta, MD Key Takeaways Dr. Edward Jenner invented the first vaccine for smallpox in ...

As the U.S. COVID-19 vaccination program reaches full stride, approximating 3 million shots per day, the time is ripe to recall the contributions of the physician-scientist who first put vaccines on ...

The film highlights the contributions of five pivotal figures in the field of medicine known as Health Heroes. Anthony Von Leeuwenhoek, in the 17th century, was the first to observe bacteria using a ...

In the late 1800s, Edward Jenner, an English physician and scientist, observed that milkmaids who have previously contracted cowpox are immune to smallpox, a deadly virus from the same family. Curious ...

During the Revolutionary War, more American soldiers died from disease than from musket shot. One out of every three soldiers infected with smallpox died. In the cramped conditions of military ...