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...

Read a passage about our immune system and answer the follow-up questions.

[Free Registration/Login may be required to access all resource tools.] Discusses immunity and the differences between active and passive immunity.

Discover new knowledge about molecular biology- how molecules fit together as a lock and key. This has given researchers new diagnostic tools that use immune cells from mice to produce antibodies to detect a specific virus or bacterium.

Having achy joints and fatigue may seem like complaints of an elderly individual. Life with Lupus, however, can cause such conditions in a teenager. Learn more about the condition in this article and the links to related sites.