Background: Corona virus is in the genus of alpha coronaviruses. Two types of human coronaviruses are human coronavirus 229E and human coronavirus NL63, including a group of coronaviruses, while it belongs to the genus beta coronavirus, the name of modern viruses, and five types of coronaviruses that infect humans, which is human. Coronavirus OC43, HKU1, SARS-CoV, 2-SARS-CoV and ERS-CoV 1. Coronaviruses were first known in 1960 AD, and were named, and then accepted by the International Committee for the Classification of Coronaviruses, that do not have a shape resembling the coronary agglutinin, the characteristic image of the coronavirus, And Corona Corona, which shows it in the form of the king’s crown1 .Method: The study included 50 patients suffering from infection with the emerging corona virus and 30 samples of healthy people as a control group, and both groups ranged in age from 27-77 years and of both sexes, collected from Kirkuk General Hospital.