CNN's Elizabeth Cohen talks to Dr. Moncef Slaoui, chief adviser to "Operation Warp Speed," the federal government's Covid-19 vaccine program, about when Americans can expect a vaccine to be available and how effective it could be.
source https://www.cnn.com/videos/health/2020/07/30/coronavirus-vaccine-timeline-effectiveness-cohen-lead-bts-vpx.cnn
source https://www.cnn.com/videos/health/2020/07/30/coronavirus-vaccine-timeline-effectiveness-cohen-lead-bts-vpx.cnn
When the US might expect to get a Covid-19 vaccine
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