Genomic Surveillance for SARS-CoV-2 Variants: Predominance of the Delta (B.1.617.2) and Omicron (B.1.1.529) Variants — United States, June 2021–January 2022

Notes from the Field: Early Evidence of the SARS-CoV-2 B.1.1.529 (Omicron) Variant in Community Wastewater — United States, November–December 2021

(2022) Amy E. Kirby et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

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

(2021) Summer E. Galloway et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

Genomic Surveillance for SARS-CoV-2 Variants Circulating in the United States, December 2020–May 2021

(2021) Prabasaj Paul et al.   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

Effectiveness of BNT162b2 Vaccine against Omicron Variant in South Africa

(2021) Shirley Collie et al.   NEW ENGLAND JOURNAL OF MEDICINE

SARS-CoV-2 B.1.1.529 (Omicron) Variant — United States, December 1–8, 2021

(2021)   MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT

A dynamic nomenclature proposal for SARS-CoV-2 lineages to assist genomic epidemiology

(2020) Andrew Rambaut et al.   Nature Microbiology