Health-care workers are one of the most at-risk groups in Covid-19 pandemic. The aim of this study was to investigate the pattern of Covid-19 among Hospital employees. This study was case control. Study data were analyzed using SPSS software. Among the participants there were 58% nurses, 12% physicians, 26% other wards paraclinical and 4% service personnel. In terms of educational qualifications, 2%, 8%, 68%, 12% and 10% had diploma, associate degree, bachelor's degree, master's degree and above, respectively. The type of ward and the number of working hours of hospital staff as well as poor hand washing increase the incidence of Covid-19. However, no significant relationship was found between the time interval between contact and infection, knowledge of the use of precautions, how to get infected, the pre-crisis workplace ward of Covid-19 and the shifts of employees with Covid-19 disease.