Cytomegalovirus (CMV) is a common infection caused by a type of herpes virus. It can cause swollen lymph glands, fever, and fatigue. Most people with CMV do not show symptoms of infection and are not aware they have it. A CMV infection usually occurs in young adults. The virus then remains in your body for the rest of your life. It is often in a sleeping state but can be activated by stressful situations.

CMV infections rarely causes health problems except for people with compromised immune systems.

Babies who are not born yet are also at risk for congenital CMV.

The Lymphatic Organs
The Lymphatic Organs
Copyright © Nucleus Medical Media, Inc.

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