Evidence of previous SARS-CoV-2 infection in seronegative patients with long COVID.

EBioMedicine · 2022 · PMC9235296 · PMID 35772216

Europe PMC DOI

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did not reach statistical significanceno p-value reported

50% of hospitalised patients were seropositive vs 25% of non-hospitalised patients, which did not reach statistical significance likely because only 12 patients in the Long COVID cohort were hospitalised.

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