Facts about CMV/HSV/Syphilis There are currently no vaccines for CMV. 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). About 15% of babies with congenital CMV will not have signs at birth but will later develop hearing loss. 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