CBS News chief medical correspondent Dr. Jon LaPook had an exclusive look inside the CDC and how it keeps track of new variants of COVID-19. He joined CBS News to talk about the current state of the pandemic in the United States
CBS News chief medical correspondent Dr. Jon LaPook had an exclusive look inside the CDC and how it keeps track of new variants of COVID-19. He joined CBS News to talk about the current state of the pandemic in the United States
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