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The studies, published in the journal Science, looked at a prototype vaccine and whether Covid-19 infection provides immunity against re-exposure.
Dan Barouch, director of the Center for Virology and Vaccine Research at Beth Israel Deaconess Medical Center, Boston, said, “The global Covid-19 pandemic has made the development of a vaccine a top biomedical priority, but very little is currently known about protective immunity to the SARS-CoV-2 virus. In these two studies, we demonstrate in rhesus macaques that prototype vaccines protected against infection and that Covid-19 infection protected against re-exposure,”
In one of the new studies, researchers infected nine monkeys with Covid-19, the illness caused by the novel coronavirus. After they recovered, the team exposed them to the virus again and the animals did not get sick
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