The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to protect him from the related (and deadly) smallpox virus. But how does...

Site about mumps: who is affected, when the most cases occur, treatment, and vaccines.

An interactive, self-guided lesson on the function of the human immune system and how medical intervention prevents disease. This lesson has many descriptive animations as well as graphs and diagrams to help with understanding. There is...

Use this site to learn about the causes, symptoms, and treatment for whooping cough. Throughout this article, there are links to related information bacteria, complications and other diseases related to whooping cough. A section on the...

A Science Odyssey biography of Jonas Salk from PBS, noted medical scientist who discovered the vaccine for polio. Easy to read format with link to "Paralyzing Polio," a colorfully animated and interactive comic strip. Links also...

This site provides a brief biography of Dr. Jonas Salk (1914-1995 CE), research scientist who is noted for his research and discovery of the polio vaccine. Links available to video and other biographical information on Salk, books...