COVID-19 cases surge to record highs as country enters third year of the pandemic

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The Omicron variant is sending COVID-19 cases skyrocketing and thousands of children to the hospital. Infectious disease expert Dr. Michael Osterholm joins “CBS Mornings” to explain why it's not too late to get vaccinated, and why it's still important to, even though Omicron may be less deadly than the Delta variant.