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Omicron Drives U.S. Virus Cases Past Delta's Peak (Published 2021)
By Amy Schoenfeld Walker, Charlie Smart & Lauren Leatherby
Omicron Is Our Past Pandemic Mistakes on Fast-Forward
By Katherine J. Wu, Sarah Zhang & Ed Yong
Early studies suggest a reduced risk of Covid-19 hospitalization when infected with Omicron compared to Delta
By Jacqueline Howard
What makes the Omicron variant spread so easily?
By Jon Healey & Ada Tseng
What are the symptoms of Omicron, the latest COVID variant?
By Joshua Rhett Miller
Omicron wave appears milder, but concern remains
By James Gallagher
Omicron Symptoms: What to Know About the Covid-19 Strain and Variants
By Melinda Wenner Moyer