Cytomegalovirus (pronounced sy-toe-MEG-a-low-vy-rus), or CMV, is a common virus that infects people of all ages. Over half of adults by age 40 have been infected with CMV. Once CMV is in a person’s body, it stays there for life and can reactivate. Most people infected with CMV show no signs or symptoms. However, CMV infection can cause serious health problems for people with weakened immune systems, as well as babies infected with the virus before they are born (congenital CMV).
June is CMV Awareness Month
Learn about CMV, a common virus that can cause birth defects in some babies.
New CMV Factsheets
Healthcare providers can use these factsheets to answer questions from patients, and help with early diagnosis and treatment of congenital CMV.
- Page last reviewed: June 17, 2016
- Page last updated: June 5, 2017
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