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Cytomegalovirus (CMV) is a virus found around the world. It is related to the viruses that cause chickenpox and infectious mononucleosis (mono). Between 50% and 80% of adults in the United States have had a CMV infection by age 40. Once CMV is in a person's body, it stays there for life.
CMV is spread through close contact with body fluids. Most people with CMV don't get sick and don't know that they've been infected. But infection with the virus can be serious in babies and people with weak immune systems. If a woman gets CMV when she is pregnant, she can pass it on to her baby. Usually the babies do not have health problems. But some babies can develop lifelong disabilities.
A blood test can tell whether a person has ever been infected with CMV. Most people with CMV don't need treatment. If you have a weakened immune system, your doctor may prescribe antiviral medicine. Good hygiene, including proper hand washing, may help prevent infections.
Centers for Disease Control and Prevention
- About Cytomegalovirus (CMV) (Centers for Disease Control and Prevention) Also in Spanish
- Cytomegalovirus (American Academy of Family Physicians) Also in Spanish
Diagnosis and Tests
- Cytomegalovirus (CMV) Tests (National Library of Medicine) Also in Spanish
- Neurological Consequences of Cytomegalovirus (National Institute of Neurological Disorders and Stroke)
- ClinicalTrials.gov: Cytomegalovirus Infections (National Institutes of Health)
Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)
- Article: Comparison of methods generating antibody-epitope conjugates for targeting cancer with virus-specific...
- Article: Human cytomegalovirus and Epstein-Barr virus infections occurring early after transplantation are...
- Article: Targeting CMV Reactivation to Optimize Care for Critically Ill COVID-19 Patients:...
- Cytomegalovirus Infections -- see more articles
Find an Expert
- CMV Facts for Pregnant Women and Parents (Centers for Disease Control and Prevention) Also in Spanish
- Cytomegalovirus (For Parents) (Nemours Foundation) Also in Spanish
- Cytomegalovirus (CMV) and Pregnancy (Organization of Teratology Information Specialists) - PDF Also in Spanish
- Acute cytomegalovirus (CMV) infection (Medical Encyclopedia) Also in Spanish
- CMV - gastroenteritis/colitis (Medical Encyclopedia) Also in Spanish
- CMV pneumonia (Medical Encyclopedia) Also in Spanish
- CMV serology test (Medical Encyclopedia) Also in Spanish
- Cytomegalovirus retinitis (Medical Encyclopedia) Also in Spanish