The Division of STD Prevention of the US Centers for Disease Control has recently released this update (MMWR 1998;47(No. RR-1)) to the 1993 set of guidelines with the same title. The guidelines were developed by CDC staff after consultation with a "group of invited experts" in early 1997. Included are sections on various sexually transmitted diseases, including HIV, Genital Ulcers, Epididymitis,...