Cytomegalovirus | Overview

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What is cytomegalovirus?

Cytomegalovirus (say: "si-toe-meg-ah-low-vi-russ"), or CMV, is a very common virus. People are usually infected by the time they are 2 years old or during their teenage years and carry the virus for life (usually in a dormant or inactive state). The majority of adults carry the virus by the time they are 40 years of age.

Many people are infected with CMV and don't even know it because the virus rarely causes symptoms and usually does not cause long-term problems.

However, CMV can cause problems in people who have weak immune systems and in a newborn if the mother gets the infection during pregnancy.

Source

Cytomegalovirus by GH Taylor, M.D. (American Family Physician February 01, 2003, http://www.aafp.org/afp/20030201/519.html)

Written by familydoctor.org editorial staff

Reviewed/Updated: 07/13
Created: 04/03

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