Understanding the immune response is essential to developing safe vaccines for dengue and other diseases.
The genesis of AIDS, identifying HIV as the virus that causes AIDS, and the modern global epidemic.
The HIV life cycle, and how the virus destroys the immune system's ability to respond to infection.
The search for an effective HIV vaccine, and advances in genomics that may lead to a breakthrough.
Some organisms have evolved ways of evading or subverting the body's defenses.