A vaccine against HIV might prevent the disease that we can’t seem to cure. Some HIV patients make antibodies that can take down the virus, much the way a vaccine might. But, scientists haven’t been able to provoke that type of response in other people. However, in a process that might work in humans, a group of researchers has successfully generated antibodies in cows that neutralize multiple strains of HIV.

Dennis Burton, of The Scripps Research Institute in La Jolla, California, and his colleagues found that immunization of cows with a protein similar to the envelope of the HIV produced… more

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