Cytomegalovirus (CMV) is a very common virus that typically lies dormant in the body after the initial exposure without causing problems; however, for people with lowered immune systems or unborn babies, CMV can create serious health issues. Babies who are infected with CMV before birth are at higher risk of several defects such as microcephaly (small head size), hepatomegaly (enlarged liver), jaundice (yellow color of skin and eyes), anemia (low blood count), pneumonia, seizures, vision loss, and hearing loss and others. Even children born without any of these defects can still be adversely affected later with partial hearing loss, visual impairment, and some developmental and learning problems.
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