How is Omicron different? Here's what you need to know

The highly contagious Omicron variant is spreading at a rapid pace across the world. Should your kids go back to school? What symptoms should you be looking for? CNN Medical Analyst Dr. Leana Wen answers those questions and more so you can keep your family and yourself safe.

How is Omicron different? Here's what you need to know
The highly contagious Omicron variant is spreading at a rapid pace across the world. Should your kids go back to school? What symptoms should you be looking for? CNN Medical Analyst Dr. Leana Wen answers those questions and more so you can keep your family and yourself safe.