With a new administration in the White House, and a new director at the CDC, there is a lot of hope that the CDC can now more effectively steer the public out of this pandemic and rebuild its reputation in the US and abroad. But doing so is not going to be easy. CNN’s Chief Medical Correspondent Dr. Sanjay Gupta speaks with former acting director of the CDC, Dr. Richard Besser, about the challenges that lie ahead. 

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