US coronavirus: It’s too soon to tell if Omicron’s spread will help end Covid-19’s pandemic phase, Fauci says, but he’s hopeful January 18, 2022
‘The economy cannot stay open’: Omicron’s effects ricochet across US | US news January 12, 2022January 12, 2022
US coronavirus: With Omicron’s prevalence and testing in short supply, anyone with symptoms should assume they’re positive and isolate, doctor says January 7, 2022
Vaccine Protection Best Explains Omicron’s Mild Symptoms: Early Data December 24, 2021December 24, 2021