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The Conversation USA

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
imageThe 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 Images

Editor’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...

Read more: Alpha then delta and now omicron – 6 questions answered as COVID-19 cases once again surge across...

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