Cytomegalovirus infection epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aravind Kuchkuntla, M.B.B.S[2]

Overview

Cytomegalovirus infection is seen approximately 40-90% of the world population.

Epidemiology and Demographics

Prevalence

• Cytomegalovirus (CMV) infects approximately 40-90% of the world population and majority of patients are asymptomatic.
• CMV seroprevalence in developing countries reaches more than 90% by adolescence and exceeds 95% by early adulthood.
• In the United States, 35%-90% of women entering their childbearing years are seropositive, and thus, they are not susceptible to primary CMV infection.

Age

• Seroprevalence is age-dependent 58.9% of individuals aged 6 and over are infected with CMV.
• 90.8% of individuals aged 80 and over are positive for CMV.