Discover the function of the innate immune system.

The human immune system has various ways of responding to an infection caused by bacteria or viruses. Our bodies produce proteins (antibodies) that are highly specific for the infectious agent as a part of our "humoral" immune response....

There are battles that are fought each day on the planet. The invading forces are those of viruses and bacteria. Left alone they would take over and destroy every cell! It is up to some key defense systems to battle and destroy these...

This problem set introduces students to basic concepts about the immune system. Correct answers are reinforced with a brief explanation, and incorrect answers are linked to tutorials to help solve the problem.

The Ebola disease is a life-threatening illness caused by the Ebola virus. There is currently no vaccine or specific medication for Ebola. Further discussion includes How does the virus replication work?; What are the symptoms of Ebola...

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

This site from the MayoClinic.com contains great information on the food allergy. The sections that are covered in the article include: signs and symptoms, causes, risk factors, screening, diagnosis, treatment and prevention.

Learn about some autoimmune disorders that affect human health.

Understand the HIV virus that causes AIDS.