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.
Cytomegalovirus (pronounced sy-toe-MEG-a-low-vy-rus), or CMV, is a common virus that infects people of all ages. In the United States, nearly one in three children are already infected with CMV by age 5 years. Over half of adults by age 40 have been infected with CMV. Once CMV is in a person's body, it stays there for life and can reactivate. A person can also be reinfected with a different strain (variety) of the virus. Most people infected with CMV show no signs or symptoms.