Facts about CMV/HSV/Syphilis 91% of women do not know about CMV. About 10% of babies with congenital CMV have signs, such as jaundice, rash, microcephaly, or low weight, at birth. Over half of adults have been infected with CMV by age 40. 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. 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