FILE PHOTO: Senate Health, Education, Labor, and Pensions Committee Hearing

FILE PHOTO: Dr. Rochelle Walensky, director of Centers for Disease Control and Prevention testifies during a Senate Health, Education, Labor, and Pensions Committee hearing to examine the federal response to the coronavirus disease (COVID-19) and new emerging variants at Capitol Hill in Washington, D.C., U.S. January 11, 2022. Shawn Thew/Pool via REUTERS/File Photo