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.
CMV is a DNA virus classified in the herpes group of viruses. Serologic studies indicate a past CMV infection in approximately 50% of the adult population in urban areas of the United States and Europe (41) and close to 100% in the male homosexual population.