Trends in Disease Severity and Health Care Utilization During the Early Omicron Variant Period Compared with Previous SARS-CoV-2 High Transmission Periods — United States, December 2020–January 2022

Journal

• MMWR. Morbidity and Mortality Weekly Report

  MMWR. Morbidity and Mortality Weekly Report 71 (4), 146-152, 2022-01-28

  Centers for Disease Control MMWR Office