Persistent symptoms & clinical findings in adults with post-acute sequelae of #COVID19 / #postCOVID19 syndrome in the second year after acute infection: population-based, nested case-control study
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"This nested population-based case-control study demonstrates the majority of PCS cases do not recover in the second year of their illness, with patterns of reported symptoms remaining essentially similar, nonspecific & dominated by fatigue, exercise intolerance & cognitive complaints”