Estimated 73% of US now immune to omicron: Is that enough?
Scientists pinpoint mechanisms associated with severe COVID-19 blood clotting
17 February 2022Study shows exercise can help older adults retain their memories
17 February 2022Estimated 73% of US now immune to omicron: Is that enough?
The omicron wave that assaulted the United States this winter also bolstered its defenses, leaving enough protection against the coronavirus that future spikes will likely require much less—if any—dramatic disruption to society.
