Epidemiologists argue for return of masks in New York

July 22, 2021 - As new COVID-19 infections are on the rise in New York, driven largely by the more dangerous and transmissible Delta variant, public health officials and some lawmakers are making the case for increased pandemic restrictions. Dr. Isaac Weisfuse, a former deputy commissioner of public health for New York City, weighs in on the current transmission risk and the necessary precautions.