Covid news live: Omicron likely to become dominant variant, Harvard researcher says; France to close nightclubs

The Omicron Covid variant is likely to ‘outcompete Delta’ in many, if not all, regions, an infectious disease researcher says; nightclubs in France will be ordered to close for four weeks to counter a Covid surge

New York City has expanded its array of Covid-19 mandates on Monday, setting vaccine requirements for children as young as 5 years old. This is on top of the mandates required for all private employees we previously reported.

The most-populous US city set a 27 December as the deadline for all 184,000 businesses within its limits to make their employees show proof they have been vaccinated, Mayor Bill de Blasio said.

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Source: The Guardian