Facts about CMV/HSV/Syphilis CMV infects between 60% and 70% of adults in industrialized countries and nearly 100% in emerging countries. 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 15% of babies with congenital CMV will not have signs at birth but will later develop hearing loss. 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