“…Also, of interest is the persistence of APLAs following recovery, as according to revised antiphospholipid syndrome (APS) diagnostic guidelines from a conference in Sapporo, Japan only the persistent presence of APLAs can be considered to be a serologic marker of APS. 253 Ghilardi et al 254 performed a prospective study including COVID-19 patients admitted to the intensive care unit due to disease severity. At admission, the prevalence of LA, aCL, and β2-GPI was 36.5%, 12.5%, and 15.6% respectively, which is comparable to previously described conclusions.…”