CRP and blood coagulation disease: COVID-19 Kawasaki-like syndrome is diagnosed by (1) fever for ˃ 3 days, (2) at least two signs of rash, hypotension/shock, or acute cardiac injury (infarction, pericarditis, left ventricle dysfunction, right ventricular dysfunction, or coronary syndrome), (3) coagulopathy, or (4) acute gastrointestinal (GI) symptoms in the setting of elevated inflammatory markers (CRP, d-dimer, and/or ferritin) during or after COVID-19 infection, after excluding other infections [29].