The proper name for CMV is cytomegalovirus. It is a common infection which is part of the herpes family of viruses. Once a person is infected, the virus remains inactive in their body for the rest of their life.
CMV is spread through bodily fluids including saliva, semen, blood, urine, vaginal fluids and breast milk. Congenital CMV infection occurs when a mother who is infected with CMV passes it to the foetus.
More information for parents and visitors on congenital CMV infection