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.

02:50 - Source: CNN
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TOPSHOT - A health worker takes a nasal swab sample at a COVID-19 testing site at St. John's Well Child and Family Center, amid the novel coronavirus pandemic, July 24, 2020, in Los Angeles, California. - The coronavirus pandemic hit grim new milestones July 23, with cases topping four million in the United States and three million in Europe as fresh spikes from Belgium to Tokyo to Melbourne forced new restrictions on citizens. (Photo by VALERIE MACON / AFP) (Photo by VALERIE MACON/AFP via Getty Images)
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How is Omicron different? Here's what you need to know
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