Cases of positive tests of the Omicron variant are rising at a rapid rate but it may not be the last variant we see. While the continuing studies show the new variant is less deadly, it remains much more transmissible. FOX's Trey Yingst speaks to Dr. Robert R. Redfield, former director of the CDC and Senior Medical Advisor at AM LLC, about the Omicron variant, its risks and why it won't be the last COVID variant.   

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