Part 1 of Essay
AIDS stands for Acquired Immune Deficiency Disease. It is caused by a virus. The disease originated somewhere in Africa about 30 years ago. There it first appeared as a mysterious ailment afflicting primarily heterosexuals of both sexes. It probably was spread primarily by female prostitutes there. AIDS has already become ....

Part 2 of Essay
.... and rectal sex is a common practice among gay males. For these reasons, the disease spread in the gay male population of this country immensely more quickly than in other populations. It became to be thought of as a "gay disease". Because the disease is spread primarily by exposure of ones blood to infected blood or semen, I.V. drug addicts who shared needles were soon identified as an affected group. As the AIDS epidemic began to affect increasingly large fractions of those two populations (gay males and IV dru ....