Laos has 3,395 known cases of people infected with HIV, of whom 2,180 have developed AIDS, state media reported on Friday.

Smoking crack cocaine daily adds to the risk of spreading HIV, a Canadian study published on Monday says, although researchers acknowledge they are not sure about the exact link.

A group of Taiwanese HIV patients are appealing against a U.S. court decision barring them from suing pharmaceutical giant Bayer, their lawyer said Tuesday.

Nearly 16,000 Thais ignored the false rumors that they were being infected by the AIDS virus, and overcame their fears of becoming social outcasts to participate in the first HIV vaccine trials to show positive results.

Scientists and government leaders have already started mapping out how to try to improve the world's first successful AIDS vaccine, which protected one in three people from getting HIV in a large study in Thailand.

For the first time, an experimental vaccine has prevented infection with the AIDS virus, a watershed event in the deadly epidemic and a surprising result. Recent failures led many scientists to think such a vaccine might never be possible.

U.S. researchers have discovered two powerful new antibodies which could hold the key to achieving a viable AIDS vaccine, according to a study published Thursday in the journal Science.

AIDS is spreading faster among Canada's indigenous people than in the general population, and a strong cultural stigma and links to rising drug use make the problem difficult to solve.

Cuban health authorities warned Saturday of a dramatic rise in AIDS cases among the young on the island, where there over 1,300 new HIV infections in 2008 and another 1,400 are estimated for this year.

More than 1.5 million women living with HIV in Asia were infected by their husbands or boyfriends and 50 million more are at risk of infection, according to a report released Tuesday.