What is the mortality and morbidity of cytomegalovirus (CMV)?

Updated: Jul 07, 2021
  • Author: Ricardo Cedeno-Mendoza, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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CMV is seldom associated with mortality in nonimmunocompromised hosts (< 1%). Substantial morbidity may occur in patients with a mononucleosis syndrome, as described in Adult Cytomegalovirus Infection in the Immunocompetent Host.

In both solid organ and marrow transplant recipients, CMV causes substantial morbidity and mortality. For example, even with antiviral therapy, the mortality rate in allogeneic marrow transplant recipients with interstitial pneumonia varies from 15%-75%.

CMV RNA can be detected in 15% of fetal tissues or placentae, indicating that CMV infection during pregnancy contributes to stillbirths. [33]

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