Emergence of SARS-CoV-2 B.1.1.7 Lineage — United States, December 29, 2020–January 12, 2021

Journal

• MMWR. Morbidity and Mortality Weekly Report

  MMWR. Morbidity and Mortality Weekly Report 70 (3), 95-99, 2021-01-22

  Centers for Disease Control MMWR Office