Alpha then delta and now omicron – 6 questions answered as COVID-19 cases once again surge across the globe
- Written by Sara Sawyer, Professor of Molecular, Cellular and Developmental Biology, University of Colorado Boulder
The list of SARS-CoV-2 variants – each with its own unique qualities that give it an edge – just keeps growing.Matt Anderson Photography/Moment via Getty ImagesEditor’s note: The omicron variant of SARS-CoV-2, the virus that causes COVID-19, has fueled a rapid surge in cases globally. We asked a team of virologists and...