The highly infectious omicron variant of the coronavirus accounted for 73.2% of new Covid-19 cases in the United States last week, making it the virus’ dominant variant, the Centers for Disease Control and Prevention reported Monday. READ MORE: https://www.forbes.com/sites/zacharysmith/2021/12/20/omicron-is-now-dominant-in-us-at-73-of-cases/?sh=69e5208374a1 Stay Connected Forbes on Facebook: http://fb.com/forbes Forbes Video on Twitter: http://www.twitter.com/forbes Forbes Video on Instagram: http://instagram.com/forbes More From Forbes: http://forbes.com