The U.S. says about 40 million doses of coronavirus vaccines from Pfizer and Moderna will be available within days. The first of those shots will go to our 18 million health care workers. HonorHealth operates six hospitals in Maricopa County, AZ and is responsible for vaccinating health care works and at-risk first responders. Dr. Stephanie Jackson is leading the charge of their vaccination operation. She talks with Soledad O’Brien about the vital mission to protect those on the front lines. 



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