The Food and Drug Administration (FDA) gave researchers the green light after an expedited review of the vaccine.
It will first be given to three healthy volunteers to see if they have any adverse effects.
Then it will be given to a small group of people ages 18 to 50 to see if it produces a strong immune response to the virus.
The vaccine did well in trials with chimpanzees according to doctor Anthony Fauci, Director of the National Institute of Allergy and Infectious Diseases (NIAID).
Fauci said the vaccine cannot cause a healthy individual to become infected with the virus, but he says he has been fooled before and you can't predict what will happen in humans.
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