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Operation Warp Speed vaccine development adviser discusses distribution plans

Even as the number of U.S. COVID-19 cases surpasses 12.5 million, there is some positive news. AstraZeneca is now the third pharmaceutical company with a promising vaccine candidate. Moncef Slaoui leads the U.S. vaccine development for Operation Warp Speed and he joins "CBS This Morning" to discuss how the federal government is preparing for a vaccine rollout.
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