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The Guardian - UK
The Guardian - UK
World
Samuel Okiror in Kampala

HIV vaccine trial in Africa halted after disappointing initial results

Africans sit listening to someone speaking while someone in the foreground holds a pamphlet with information about a medical trial
Trial volunteers meet the PrEPVacc team in Bukakata, Uganda, last year. The trial was the first to combine experimental HIV vaccines and pre-exposure prophylaxis. Photograph: Luke Dray/Getty

The first trial in Africa of two combination vaccines to prevent HIV has been halted after researchers concluded it was not working.

The vaccines (part of the PrEPVacc study) were being tested on 1,500 people aged between 18 and 40 in Uganda, Tanzania and South Africa.

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