restrictions just as many had finally begun to ease.The risks of the variant, called omicron, are largely unknown. But the World Health Organization has called it a "variant of concern" and governments around the world are not waiting for scientists to better understand the variant to impose flight bans and other travel restrictions.The U.S.
said Friday it will ban travel from South Africa and seven other African nations by non-US citizens beginning Monday. European Union nations agreed earlier in the day to impose a ban on travel from southern Africa to counter the variant's spread.