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Treatment as prevention is starting to work in parts of Africa
Gus Cairns, 2012-03-18 17:40:00
A longitudinal study from KwaZulu Natal province in South Africa is the first study from the global south to relate an increase in the proportion of adults on HIV treatment to a fall in HIV incidence, the 19th Conference on Retroviruses and Opportunistic Infections was told last week.
The study found evidence of a threshold effect; incidence started to fall once the proportion of all adults diagnosed with HIV in the area who were on treatment exceeded 30%.
Meanwhile a study that took place in a week-long intensive health campaign in Uganda and studies from areas as diverse as San Francisco and Swaziland documented large increases in the proportion of people with HIV who are on treatment.
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