Weaker virus? Herd immunity? Omicron sparks cautious hopes
But the latest variant to sweep the globe has persuaded some experts that long hoped-for collective immunity is in sight, and that the virus may be evolving into a relatively benign seasonal illness. Omicron has proven particularly contagious, infecting people thought to have immunity conferred by vaccines or a bout with the disease itself. But while Omicron it driving a record number of cases in countries around the world, the illness is generally less severe, compared to previous variants. More people getting Omicron and recovering... Читать дальше...