巨细胞病毒（CMV）属疮疹病毒亚种，是一种引起大多数宿主无症状感染的病毒，然而在免疫缺陷宿主及少数先天性感染的婴儿中，不论原发和继发感染都能引起严重的疾病，甚至死亡。最近我们遇到2例，报告如下。例1男，68岁，因阵发性腹痛、腹泻1个月，症状加重2天于1997年10月28日 Cytomegalovirus (CMV) is a herpes zoster virus that is a virus that causes asymptomatic infections in most hosts, however, in both immunocompromised hosts and a few congenital infants, both primary and secondary infections can cause Serious illness, even death. We recently encountered two cases, the report is as follows. Example 1 Male, 68 years old, due to paroxysmal abdominal pain, diarrhea 1 month, the symptoms worsened 2 days in October 28, 1997