CMV Infection



Cytomegalovirus (CMV) is a common infection caused by a type of herpes virus. Once infected, the virus remains in your body for the rest of your life. It is often in a sleeping state but can be activated by stressful situations.
The Lymphatic Organs
The Lymphatic Organs
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The virus is passed between people through body fluids. CMV can be passed during:
  • Kissing
  • Sexual intercourse
  • Breastfeeding
  • Changing the diaper of an infected infant

Risk Factors

This virus is so common throughout the US that everyone is considered at risk for CMV. People with the highest risk of getting this virus include:
  • Children and childcare providers in day care and preschool—due to frequent exposure to bodily fluids
  • People with suppressed or impaired immune systems including people with:


The virus does not cause any symptoms when it is inactive. The virus may be activated because of stressful situations, medication, illness, or reduced immunity. Symptoms of the activated virus include:People with suppressed or impaired immune systems can also develop:

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