"We continue to remain concerned about the emergence of variants in the United States and are rapidly ramping up surveillance and sequencing activities as we work to closely monitor and identify variants as they emerge." — CDC Director Dr. Rochelle Walensky https://abcn.ws/2MktElA | ABC News Live

Dr. Rochelle Walensky, the director of the CDC, warned Americans on Monday of “impending doom” from a potential fourth surge of the pandemic as President Biden called on states to reinstate mask mandates. https://nyti.ms/2QOJXcy | The New York Times

As we re-open Fenway Park to 100% capacity, we're honored to have CDC Director Dr. Rochelle Walensky throw out today's ceremonial first pitch. | Boston Red Sox