The immune systems goal is to protect the body against invaders either from without, such as microbes, or from within, such as cancers and different types of neoplastic transformation.

There has been treatment for hepatitis C, but the treatment has not been overwhelmingly effective, number 1. And number 2, it has had considerable toxicity.

The immune systems goal is to protect the body against invaders either from without, such as microbes, or from within, such as cancers and different types of neoplastic transformation.

Previous efforts to eradicate malaria failed for several reasons, including political instability and technical challenges in delivering resources, especially in certain countries in Africa.

Today we know the best way to prevent the spread of Ebola infection is through public health measures.

Testing two vaccines against different H1N1s at the same time has never been done.

Better ways to diagnose, treat and prevent E. coli 0157:H7 infections are badly needed.