Dr Know-It-All
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A clinical trial conducted by the US Army and Thailand's Ministry of Public Health and comprising 16,000 volunteers, has apparently found a vaccine that cuts the risk of seroconversion by 31%. Colonel Jerome Kim said it’s the first demonstration of a vaccine that can prevent HIV, and Thai Public Health Minister Witthaya Kaewparadai called it a scientific breakthrough. The new vaccine combines two earlier drugs; the canarypox vaccine ALVAC and something called AIDSVAX. Researchers are now studying why the two seem to work together. Until now, scientists had made no progress in their 25 year search for a vaccine, and one preparation was even found to boost infection rates, but the World Health Organization and UNAIDS said the latest findings instil new hope in the field of HIV research. However, top AIDS scientist Jean-Francois Delfraissy, warned that although the results were good news, the effects remained modest.