Long COVID 20-50% less likely after omicron than delta in vaccinated people

Enlarge / A long COVID patient sits with her daughter in her wheelchair while receiving a saline infusion at her Maryland home on Friday, May 27, 2022. Getty | The Washington Post

Among adults vaccinated against COVID-19, the odds of developing long COVID amid the omicron wave were about 20 percent to 50 percent lower than during the delta period, with variability based on age and time since vaccination.

The finding comes from a case-control observational study published this week in The Lancet by researchers at Kings College London. The study found that about 4.5 percent of the omicron breakthrough

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