The World Health Organization said it is not yet clear whether the Omicron COVID-19 variant is more transmissible, or causes more severe disease compared to other variants including Delta.

Two people in the Canadian capital city of Ottawa have tested positive for the new Omicron variant of COVID-19, according to the Ontario provincial government on Sunday.

France reported Sunday night eight suspected Omicron COVID-19 cases among passengers who were tested positive after their African trips over the past 14 days.

The third case of the Omicron coronavirus variant has been confirmed in Britain, UK Health Security Agency (UKHSA) confirmed Sunday.

Morocco will suspend all regular international passenger flights for two weeks over concern about the new COVID-19 variant Omicron.