Omicron quickly overtaking Delta variant of COVID-19: WHO

WHO's Maria Van Kerkhove warned the Omicron variant of coronavirus is quickly overtaking the Delta variant and is becoming dominant globally. "Omicron has been detected in all countries where we have good sequencing...It is quickly, in terms of its circulation, overtaking Delta," Maria said. "It's not a mild disease because people are still being hospitalised for Omicron," she further added.