Facts about CMV/HSV/Syphilis About one out of every 200 babies is born with congenital CMV infection. Over half of adults have been infected with CMV by age 40. 1 out of 3 pregnant women who become infected with CMV will pass it on to their unborn child. Young children are a common source of CMV. By the age of 5 years, 1 in 3 children has been infected with CMV but usually does not have symptoms. 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