Facts about CMV/HSV/Syphilis CMV is a member of the herpesvirus family, which includes herpes simplex virus types 1 and 2, varicella-zoster virus, and Epstein-Barr virus. 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. 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. Over half of adults have been infected with CMV by age 40. Pathogen Detection Kits Our quick, easy, and cost-effective kits are designed to rapidly identify any pathogen (virus, bacteria, fungi) in any environment. LEARN MORE