More Countries Find Omicron Variant as Officials Grapple With Response

Countries around the world reported their first cases as some imposed new travel restrictions, racing to protect themselves against the fast-spreading strain ahead of a potentially severe winter wave.

More Countries Find Omicron Variant as Officials Grapple With Response
Countries around the world reported their first cases as some imposed new travel restrictions, racing to protect themselves against the fast-spreading strain ahead of a potentially severe winter wave.