Delta vs. Omicron: Which COVID-19 variant will become dominant in the US? - The Boston Globe

Two key issues will determine the fate of Omicron: how transmissible it is and how well it evades the body’s immune system.

COVID update: Do viruses get weaker as they evolve? Debunking the idea as experts learn more about omicron variant - ABC7 New York

Now-dominant Omicron variant drives surge in COVID cases across U.S.

Chart: Omicron BA.2 Variant to Become Dominant in the U.S.

Symptom prevalence, duration, and risk of hospital admission in individuals infected with SARS-CoV-2 during periods of omicron and delta variant dominance: a prospective observational study from the ZOE COVID Study - The

The Danger of Delta Holds to 3 Simple Rules - The Atlantic

COVID-19: Current and Future Federal Preparedness Requires Fixes to Improve Health Data and Address Improper Payments

Omicron becomes dominant variant in Mass., already 'straining the system' - The Boston Globe

Omicron Still Not Dominant in New England, as CDC Adjusts Earlier Data – NECN

Rapid epidemic expansion of the SARS-CoV-2 Omicron variant in southern Africa