- A member of the Betaherpesviridae, double-stranded DNA virus; up to 60-100% seroprevalence. Most infections asymptomatic, virus shed in absence of Sx. Severe disease seen in fetus, AIDS, and immunosuppressed.
- Transmitted vertically, sexually or by close contact (family members, daycare) via blood , tears, saliva, breast milk, urine, cervical secretions and semen.
- Establishes permanent latent infection in host.
- Both primary and secondary infections (reactivation of latent infection or reinfection with another strain) occur. Most cases in immunosuppressed adults tend to be reactivation.
CMV, gastrointestinal was found in Johns Hopkins HIV Guide.
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