巨细胞病毒(CMV)是一种常见的病原体,对输血后引起的活动性巨细胞病毒感染的认识,最少已有15年之久。近年来通过对流行病学的调查和研究,已充分证实输血可引起CMV感染。为此,很多学者对导致感染的原因,流行病学、机理、感染率和发病率、临床表现、诊断方法以及预防措施等作了广泛的研究。输血所致CMV感染有两方面的原因:1) Cytomegalovirus (CMV) is a common causative agent that has been known for at least 15 years of active cytomegalovirus infection after transfusion. In recent years, through epidemiological investigation and research, it has been fully confirmed that blood transfusion can cause CMV infection. To this end, many scholars have conducted extensive research on the causes of infection, epidemiology, mechanism, infection rate and incidence, clinical manifestations, diagnostic methods and preventive measures. CMV infection caused by blood transfusion in two ways: 1)