Brazil’s role in developing an HIV vaccine – BBC TV report

BBC World News

SÃO PAULO — Despite 25 years of research, a vaccine against HIV remains stubbornly out of scientists’ reach. There are, however, around 30 HIV vaccines in clinic trials around the world, and many others at different stages of development, both building on past experience and experimenting with new concepts.

Scientists at the University of São Paulo in Brazil have been working on their HIVBr18 vaccine since 2002. The team claims their vaccine is the only one in development which aims to trigger  CD4+ T-cells — special immune system helper cells vital to coordinating the body’s immune defence system.

Preliminary results from a new technique, tested on animals earlier this year, have proved extremely encouraging.

As part of a BBC Health Check special on HIV, our reporter in São Paulo, Ben Tavener, has been finding out how a vaccine in Brazil is progressing.

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