Doctor says U.S. entering ‘dangerous phase’ for the coronavirus and flu as winter approaches

03:22

With coronavirus cases on the rise in the U.S., NBC News medical contributor Dr. Vin Gupta joins Weekend TODAY to discuss his concerns as the winter months approach. “We have to recognize that we’re entering a dangerous phase with environmental considerations. COVID-19 and flu love colder, drier air.” Plus, Dr. Gupta says although some may be feeling “pandemic fatigue,” it’s crucial to stay vigilant and limit holiday travel.