
Why infection with the Omicron variant may cause less severe COVID-19 disease progression
Observations from around the globe suggest that the Omicron variant of the SARS-CoV-2 coronavirus is much more infectious than its predecessor, Delta. But on the other hand, Omicron infections seem to cause milder disease: Hospital admissions and the number of deaths have increased only moderately compared to the huge rise in the number of cases.