Emergence of SARS-CoV-2 B.1.1.7 Lineage — United States, December 29, 2020–January 12, 2021
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M. Biggerstaff | M. Johansson | J. Brooks | A. MacNeil | D. MacCannell | S. Tong | G. Armstrong | Vivien G. Dugan | R. Slayton | B. Silk | Summer E. Galloway | Prabasaj Paul | V. Dugan