Chief adviser to Operation Warp Speed: We could have herd immunity by May 2021
Dr. Moncef Slaoui, the chief scientific adviser for Operation Warp Speed, says it is possible the United States could reach herd immunity by May 2021.
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Chief adviser to Operation Warp Speed: We could have herd immunity by May 2021
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CNN10 - 1/19/21
CNN
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