- CMV is a significant cause of morbidity and mortality specially in organ transplant recipients and immunocompromised individuals.
- It is also responsible for congenital disease of the newborn.
- Positive CMV IgG results indicate past or current CMV infection. Such individuals are potentially at risk of transmitting CMV infection through different modes. Positive CMV IgM results indicate a recent infection which may be primary or reactivation / re-infection.