The fight for global access to anti-Aids drugs has been given added urgency.
A research study of more than 1,700 at-risk couples has found that people with HIV who start taking antiretroviral drugs early can dramatically reduce the danger of passing the virus on to their partners.
This report comes two days after a study was published on an experimental vaccine which has controlled the AIDS infection in monkeys for over a year.
The study could contribute to an AIDS vaccine for humans.
Al Jazeera’s Khadija Magardie reports.