Between Christmas and New Year’s, doctors expect the US Omicron surge to grow

• Q&A: I already had Covid. Can I get Omicron?
• LIVE UPDATES: More than 2,000 flights were canceled globally on Monday
• Get boosted to travel safely, expert says

• Q&A: I already had Covid. Can I get Omicron?
• LIVE UPDATES: More than 2,000 flights were canceled globally on Monday
• Get boosted to travel safely, expert says