Health officials are still concerned about how a virus still spreading widely might evolve and have warned leaders about underestimating the omicron variant.
Health officials are still concerned about how a virus still spreading widely might evolve and have warned leaders about underestimating the omicron variant.
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Late-night disco partying. Elbow-to-elbow seating in movie theaters. Mask-free baring of faces in public, especially in Europe and North America: Bit by bit, many countries that have been hard-hit by the coronavirus are opening up and easing their tough, and often unpopular, restrictive measures aimed to fight COVID-19 even as the omicron variant — deemed less severe — has caused cases to skyrocket