AIDScience Perspectives: CD8+ memory T cells require CD4+ T cell help: Implication for therapeutic and preventive HIV vaccines Some preventive and therapeutic HIV vaccines in development have focused on stimulating CD8+ T cell immunity. Recent small animal studies, however, suggest that CD4+ T cells may play a critical role in nurturing CD8+ T cells that are more effective in controlling viral replication.
Hot News: Internet facilitates risky sex A growing number of gay and bisexual men meet their sex partners online, with many subsequently engaging in risky sexual behavior, according to two new studies.
New research highlights HIV prevention needs Research presented at the 2003 National HIV Prevention Conference provides new insight into prevention challenges faced by populations that are especially vulnerable to HIV infection, including youth and people of color.
U.S. CDC: HIV rising among gay, bisexual men The number of newly diagnosed cases of HIV among gay and bisexual men rose in 2002 for the third straight year a disturbing turnaround from the 1990s that health officials say reflects growing complacency about the dangers of AIDS.
U.S. CDC announces new system for tracking HIV infections nationwide A new, national system for measuring the rate of HIV infections in the United States is expected to provide the clearest picture yet of the magnitude of the domestic HIV epidemic. The U.S. CDC introduced its new HIV tracking system at the 2003 National HIV Prevention Conference.