Facts about CMV/HSV/Syphilis 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 testing should be done within 2-3 weeks of birth to determine if it is congenital. Herpes simplex virus is a common virus that causes both oral herpes (HSV-1) and genital herpes (HSV-2). 91% of women do not know about CMV. 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