What the blood tests of a COVID-19 patient can tell us
A blood test result more typically seen in disorders associated with bone marrow diseases was found in a patient with COVID-19, a viral infection caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The findings were published March 25 in the American Journal of Hematology.
Leukoerythroblastic reactions in blood usually indicate a significant deviation to the body’s normal immune response. They resemble immature red blood cells (RBCs) and bone marrow cells (myeloid cells) circulating in the blood.