http://www.cdc.gov/nchs/releases/01news/declindea.htm
"HIV mortality declined 26 percent in 1996, 48 percent in 1997, and 21 percent in 1998."
"While the five leading causes of death in 1999: Heart disease, cancer, stroke, chronic lower respiratory disease (formally classified as "Chronic obstructive pulmonary diseases and allied conditions"), and accidents (unintentional injuries) remained unchanged from the previous year, some significant changes did occur in the ranking of leading causes.
"The disease (AIDS) was the eighth leading cause of death in 1996, dropped out of the top 10 leading causes of death last year, and no longer ranks among the top 15 leading causes of death today."
"The number of reported cases of gonorrhea increased steadily from 1964 to 1977, fluctuated through the early 1980s, increased until 1987, and since 1987 has decreased annually"
http://www.cdc.gov/ncidod/dastlr/gcdir/gono.html
Of the nine states with the highest 1999 syphilis rates (2-5 times higher than the national rate of 2.5 cases per 100,000),
http://www.cdc.gov/nchstp/dstd/Fact_Sheets/Syphilis_Facts.htm