Part 1 of Essay
Introduction Being one of the most fatal viruses in the nation, AIDS (Acquired Immunodeficiency Syndrome) is now a serious public health concern in most major U.S. cities and in countries worldwide. Since 1986 there have been impressive advances in understanding of the AIDS virus, its mechanisms, and its routes of transmi ....

Part 2 of Essay
.... first case of AIDS were reported in 1982, epidemiologists at the Center of Disease Control immediately began tracking the disease back wards in time as well as forward. They determined that the first cases of AIDS in the United States probably occurred in 1977. By early 1982, 15 states, the District of Columbia, and 2 foreign countries had reports of AIDS cases, however the total remained low: 158 men and 1 woman. Surprising enough more then 90 percent of the men were homosexual or bisexual. Knowin ....