F2 and COVID-19: For a thorough evaluation and continuous monitoring of the coagulation profile in COVID-19 patients, it is imperative to assess an array of laboratory parameters, including prothrombin time (PT) and its activity (PT-act), activated partial thromboplastin time (aPTT), platelet count, antithrombin (AT), D-dimer, and fibrin/fibrinogen degradation products (FDP).