SciDev.Net

Many HIV vaccines and microbicides have failed clinical trials and HIV researchers say the field needs to get back to basics.

After years of legal wrangling and controversy, authorities finally approved an anti-HIV drug trial. Sharon Davis and Christina Scott report.

Scientific evidence helped bring clemency for the medics found guilty of infecting Libyan children with HIV, writes Declan Butler.

Bovine tuberculosis is no less dangerous to humans than common TB, but relatively little is known about it, reports Natasha Bolognesi.

Two HIV research centres in South Africa are producing vital science, but with almost no collaboration between them, reports Michael Cherry.

The Qinghai-Tibet Railway is an ecological success, but will need long-term monitoring, say Changhui Peng and colleagues.

The division between global programmes to fight TB and HIV is undermining the fight against the two diseases — but there are signs of change, reports Apoorva Mandavilli.

Oil and gas companies have launched an ambitious partnership for confronting a potential HIV explosion in the Niger delta.

South Africa has unveiled a new plan for tackling HIV/AIDS, seeking to end the controversy of the recent past, reports Robert Koenig.

Natasha Bolognesi reports on one woman's efforts to bridge the divide between Western science and traditional medicine in South Africa.

Jon Cohen reports from Latin America and the Caribbean on the region's HIV/AIDS epidemic and efforts to control it.

With an HIV vaccine proving elusive, researchers are assessing the value of simpler, preventive strategies to curb the spread of HIV/AIDS.

Government inaction and changing sexual habits could make HIV infection in India spill over into the wider population, reports Apoorva Mandavilli.

Tamar Kahn describes some of the problems faced by South African science journalists, who report on controversial issues such as HIV/AIDS and genetic modification.

Helen Pilcher describes why microbicides are needed in the fight against HIV/AIDS in developing nations, and highlights recent research progress in microbicide development.

A cheap and simple method — developed by a South African scientist — for monitoring infection in HIV/AIDS patients, is benefiting people throughout Africa and beyond.

Jon Cohen explores current theories about trends in the spread of HIV/AIDS in Asia, and how they compare with the African epidemic.

Emmanuel Koro describes how sub-Saharan Africa's HIV/ AIDS epidemic is threatening more than human health.

Jon Cohen reports on hopes that China's HIV/AIDS prevention and control strategy will take-off — before the epidemic does.

SARS was a wake-up call that allowed China's government to focus on HIV/AIDS, says leading HIV researcher David Ho. But a considerable gulf between leaders' plans and public perception remains.