A positive test for CMV IgG indicates that a person was infected with CMV at some time during their life but does not indicate when a person was infected.

A positive test for CMV IgG indicates that a person was infected with CMV at some time during their life but does not indicate when a person was infected.

CMV is a member of the herpesvirus family, which includes herpes simplex virus types 1 and 2, varicella-zoster virus, and Epstein-Barr virus.

CMV is a member of the herpesvirus family, which includes herpes simplex virus types 1 and 2, varicella-zoster virus, and Epstein-Barr virus.

Young children are a common source of CMV. By the age of 5 years, 1 in 3 children has been infected with CMV but usually does not have symptoms.

Young children are a common source of CMV. By the age of 5 years, 1 in 3 children has been infected with CMV but usually does not have symptoms.