Background: The causative agent of the present COVID-19 pandemic is a novel RNA virus called SARS CoV-2. Clinical laboratory has central role in diagnosis, prognosis, and predicting progression disease. Several hematological, biochemical, immunological, coagulation parameters change during course Based on information from several studies, it presumed that replication alters immune system body. ...

Hemostasis is a delicate, dynamic and intricate system, in which pro- and anti-coagulant forces cooperate for either maintaining blood fluidity under normal conditions, or else will prompt blood clot generation to limit the bleeding when the integrity of blood vessels is jeopardized. Excessive prevalence of anticoagulant forces leads to hemorrhage, whereas excessive activation of procoagulant f...