Last week, the FDA and CDC signed off on updated Covid-19 vaccines that target currently circulating variants. It comes amid a recent uptick in hospitalizations and deaths in the United States ahead of winter that could see threats from three respiratory viruses – coronavirus, flu and respiratory syncytial virus. In today’s episode, we answer some frequently asked questions about the updated Covid-19 vaccines and look at how we should approach the virus nearly more than three years after its emergence. 
Guest: Dr. Sanjay Gupta, CNN Chief Medical Correspondent 
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