Any of a group of herpes viruses that attack and enlarge epithelial cells. Such viruses also cause a disease of infants characterized by circulatory dysfunction and microcephaly.

• 细胞巨化病毒任何一组侵袭上皮细胞并使其变大的疱疹病毒。这样的病毒也会引起一种儿科病，特征是循环性机能不良和畸形小头。