AdvertisementAmericans are tuning out as omicron rages. Experts call for health messaging to adaptJanuary 12, 2022Yuki NoguchifacebookEmailDr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases and chief medical adviser to the president, and Dr. Rochelle Walensky, director of the Centers for Disease Control and Prevention, testify at a Senate committee hearing about the federal response to COVID-19, on Jan. 11 in Washington, D.C. (Shawn Thew/AP)