Coronavirus restrictions are disappearing by the week in much of the world, as more Western countries scale back their remaining restrictions and inch toward a policy of living with COVID-19.
The more transmissible but less severe Omicron variant, and its sub-variant, BA.2, have played a large role in that calculation, convincing many leaders that endemic COVID-19 is in sight.
But what does that mean? Some top scientists are concerned that our understanding of "endemic" is wide of the mark.
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