Flying home after the holidays? Get vaccinated or boosted, expert says

• Q&A: I already had Covid. Can I get Omicron?
• Hundreds of US flights canceled
• France records over 100,000 new daily Covid-19 cases for the first time

• Q&A: I already had Covid. Can I get Omicron?
• Hundreds of US flights canceled
• France records over 100,000 new daily Covid-19 cases for the first time