But the World Health Organization this week said some countries can now consider carefully relaxing the rules if they have high immunity rates, their health care systems are strong and the epidemiological trends are going in the right direction.
The early moves to relax precautions, based on declining or flattening case counts in recent days, represent what could be another turning point in a nearly two-year pandemic that has been full of them.
The extraordinarily contagious omicron has fueled more cases worldwide over the past 10 weeks — 90 million — than were seen during all of 2020, the outbreak’s first full year.
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