Epidemiologist Donald Francis on Combating Deadly Viruses

New York Times Science Correspondent Sheryl Gay Stolberg talks about the comeback of the drug Thalidomide. In the 1960s the drug was banned worldwide after it produced a generation of babies with missing and stunted limbs. But it is now showing promise in treating leprosy and several other ailments including AIDS. (Interview by Barbara Bogaev)

Doctor Marcus Conant. He talks to Terry about new drug therapies for AIDS patients. In the early 1980's DR. Conant was among the first doctors in San Francisco to treat AIDS cases. Now Dr. Conant heads the largest private AIDS medical practice in San Francisco. After his 1985 study on how condoms block transmission of the AIDS virus, condoms became a household word.

Author and physician Abraham Verghese. An Indian raised in Ethopia, Abraham Verghese arrived in the United States in 1980 as a rookie doctor. Upon completing an internship in infectious diseases, Dr. Verghese accepted a position in the rural, Appalachian town of Johnson City, Tennessee. The year was 1985 and AIDS had begun to ravage large metropolitan areas. Within the year, Dr. Verghese was treating his first case of AIDS in this rural outpost.