Answers to viewers' questions about COVID-19 vaccines

Although the U.S. should have enough vaccines on hand for all adults by the end of May, it may take longer to inoculate enough Americans to provide adequate protection. There are many reasons for that, but key among them, lingering concerns and skepticism about the vaccine. Dr. Kimberly Manning of the Emory University School of Medicine joins Amna Nawaz to discuss and answer viewers’ questions.