Jacek Skowronski researches immunodeficiency viruses. He studies human immunodeficiency viruses, known as HIV, and simian immunodeficiency viruses, known as SIV. Particularly, he studies the viral protein Nef. This protein plays an important role in the initiation of AIDS. T lymphocytes, the cells that are worn-out in AIDS, are cultured to study the affects the viruses have on them. …