Facts about CMV/HSV/Syphilis 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. 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. About one out of every 200 babies is born with congenital CMV infection. Congenital syphilis continues to surge, increasing 203 percent since 2017. 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