Compared with their peers in 1991, high school students today are less likely to be sexually active, and when they are, more likely to use condoms.
At the 17th International AIDS Conference in Mexico City, there were renewed calls for strong advocacy and financing to sustain gains already made.
The protective benefits of circumcision against H.I.V. last for at least three and a half years, a study finds.
The global response to the AIDS epidemic has short-changed children, health workers at the International AIDS Conference said on Wednesday.
Using formula protects her child from H.I.V. But mixed with dirty water, it increases the chances that the child will die of diarrhea or malnutrition.
In Pakistan, more men than women are reported to be infected with the AIDS virus, but the country’s taboos about sex make it very difficult to address the epidemic.
Though heroin abuse is widely linked to Russia’s H.I.V. epidemic and the spread of criminality, the issue of methadone treatment is all but taboo.
Plans for a trial of a vaccine against the AIDS virus in the United States were canceled because health officials said it was unlikely to prove effective.
A genetic variation could account for 11 percent of the caseload of H.I.V. in Africa, explaining why the disease is more common there than expected, researchers say.
A genetic variation could account for 11 percent of the caseload of H.I.V. in Africa, explaining why the disease is more common there than expected, researchers say.