Facts about CMV/HSV/Syphilis About 15% of babies with congenital CMV will not have signs at birth but will later develop hearing loss. Over half of adults have been infected with CMV by age 40. About one out of every 200 babies is born with congenital CMV infection. Herpes simplex virus is a common virus that causes both oral herpes (HSV-1) and genital herpes (HSV-2). 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