Cytomegalovirus
Cytomegalovirus (CMV) is a common virus that is part of the herpes family of viruses.
Most cases of CMV don't cause any symptoms and you may not even realise you're infected.
Infection with cytomegalovirus (CMV) is mainly caused by close physical contact.
Cytomegalovirus (CMV) infections only usually require treatment if there is a risk of serious complications.
It's not always possible to prevent a cytomegalovirus (CMV) infection, but there are steps you can take to reduce the risk.