As an adult you establish a unique identity, reach the proverbial midlife crisis, and eventually succumb to old age. In this lesson, learn about the physical, psychological, and emotional changes that take place along this journey. Psychology 103: Human Growth and Development / Psychology Courses.
CMV is a common viral infection, especially among young children. Congenital CMV occurs when the infection is passed across the placenta from a pregnant woman to her developing baby. Some babies with congenital CMV infection show signs of disability at birth, while others are born healthy.
1 IgG antibodies are produced by the body several weeks after the initial CMV infection and provide protection from primary infections. 2  Levels of IgG rise during the active infection, then stabilize as the CMV infection resolves and the virus becomes inactive.ntibody testing. A positive CMV IgG and IgM in a symptomatic person means it is likely that the person has either recently been exposed to CMV for the first time or that a previous CMV infection has been reactivated.