Cytomegalovirus is a large herpes-type virus commonly found in humans that can cause serious infections in people with impaired immunity. Chorioretinitis, which may cause blindness, is treated with antiviral medications, which may stop the replication of the virus but will not destroy it.
Review Date 11/9/2019
Updated by: Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.