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Cows Produce antibodies to fight against HIV-Research

An unlikely hero has emerged in the quest to fight HIV: the cow. In a first for any animal, including humans, four cows injected with a type of HIV protein rapidly produced powerful antibodies against the virus, researchers report. Learning how to induce similar antibodies in humans may be key to a successful HIV vaccine.

Indigenous Cow

The antibodies, called broadly neutralizing antibodies, can stop infection from a variety of HIV types. The cows generated these antibodies as soon as 42 days after immunization, the researchers report online July 20 in Nature. For the small percentage of people estimated to develop these antibodies after a natural infection, it can take several years.

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