CRP and COVID-19: A decrease of lymphocyte, red blood cell (RBC) count, hematocrit or packed-cell volume (PCV), hemoglobin concentration, and mean corpuscular hemoglobin concentration (MCHC) and an increase of neutrophil ratio, prothrombin time (PT), micro-CRP (mCRP), and PCT were observed in both COVID-19 and CAP patients.