Chief adviser to Operation Warp Speed: We could have herd immunity by May 2021

Dr. Moncef Slaoui

Chief adviser to Operation Warp Speed: We could have herd immunity by May 2021

Erin Burnett Out Front

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.

01:03 - Source: CNN

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Dr. Moncef Slaoui

Chief adviser to Operation Warp Speed: We could have herd immunity by May 2021

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