FILE – Dr. Rochelle Walensky, Director of the Centers for Disease Control and Prevention, testifies during a Senate Health, Education, Labor, and Pensions Committee hearing to examine an update on the ongoing Federal response to COVID-19, June 16, 2022, on Capitol Hill in Washington. U.S. Centers for Disease Control and Prevention said in a statement that Walensky tested positive Friday, Oct. 21, and has mild symptoms. (AP Photo/Manuel Balce Ceneta, File)