Facts about CMV/HSV/Syphilis Herpes simplex virus is a common virus that causes both oral herpes (HSV-1) and genital herpes (HSV-2). CMV testing should be done within 2-3 weeks of birth to determine if it is congenital. 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. 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