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Why some Americans are hesitant to get the Covid vaccine

05:45

More than 75 percent of American adults have received at least one dose of the Covid-19 vaccine, but vaccine hesitancy is still common in many parts of the country. NBC News NOW is joined by President of the American Psychological Association and Director of the Atlanta Center for Behavioral Medicine, Dr. Jennifer F. Kelly, to discuss why some Americans are still hesitant to get the shot.