Administration tells some agencies they can delay firings of unvaccinated federal employees until after the holidays
The new Omicron variant is a reminder that ‘the virus is still in control’ regardless of Covid-19 fatigue, medical professor says
Omicron concerns should spur millions of unvaccinated Americans to get their Covid shots, experts say
Omicron, a new Covid-19 variant with high number of mutations, sparks travel bans and worries scientists
