Antiphospholipid antibodies are not elevated in patients with severe COVID-19 pneumonia and venous thromboembolism

Highlights

• COVID-19 pneumonia could be associated with an increased risk of venous thrombosis.

• Antiphospholipid antibodies might be involved in thrombosis in COVID-19 patients.

• Prevalence of antiphospholipid antibodies in COVID-19 and venous thrombosis was low.