Patients with autoimmune rheumatic disease exhibit persistent COVID antigen positivity

Patients with systemic autoimmune rheumatic disease demonstrate an increased persistence of SARS-CoV-2 antigen positivity up to 6 months after COVID-19 infection, according to data published in Arthritis & Rheumatology.“Longer duration of SARS-CoV-2 antigen persistence in the blood has been associated with various outcomes including higher risk of post-acute sequelae of COVID-19,”

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