The United States is facing an unprecedented surge of Covid-19 infections, driven in large part by the very highly contagious Omicron variant. New research is coming out every day about Omicron, and people have many questions about what this surge — and the new variant — means for considering personal risk.

To begin with, what is the risk of Omicron to someone who is vaccinated and boosted? Are vaccinated children safe to go back to school? Is it safe to continue going to restaurants and concerts? And what’s the best way to protect kids under age 5 who are too young to be vaccinated?

For guidance, I spoke with our expert, CNN Medical Analyst Dr. Leana Wen, who is an emergency physician and professor of health policy and management at the George Washington University Milken Institute School of Public Health. She is also author of “Lifelines: A Doctor’s Journey in the Fight for Public Health,” and the mom of two young kids.

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