Can you catch the same cold twice? Elementary and middle schoolers learn about what happens when a virus attacks their bodies, and how the immune system never forgets a virus, with an entertaining comic book. The packet includes...

The different parts of the immune system and its cell types are explained. Also described are the three kinds of immunity humans have - adaptive, innate and passive - as well as the major types of disorders of the immune system.

Learn how the immune system works, the types of immunity cells, and the importance of vaccination.

A short tutorial illustrating the structure of the antibody, describing how the structure fosters its function.

How do we defend against disease? Why should get vaccinated? Find the answers to these questions and everything about the immune system in this session. It contains 16 interactive activities.

Antibodies, also called immunoglobulins, are proteins manufactured by the body that help fight against foreign substances called antigens. When antigens enters the body, it stimulates the immune system to produce antibodies. (The immune...

This site from MedicineNet.com gives an in-depth description of mononucleosis, its causes, symptoms, diagnosis and treatment, as well as complications that can come up. Links are provided for easy access to the topics as well to...

This resource describes an organization that is involved in studies and treatments of allergies. Research and education are also important parts of this organization.