[Effects of cytomegalovirus infection on infants' hearing and speech development].

To investigate the effects of cytomegalovirus（CMV） infection on infants' hearing and speech development. A total of 192 infants with cytomegalovirus infection were selected as research objects（CMV group）. Among 320 normal infants who received physical examinations in the Second Affiliated Hospital of Zhengzhou University during the same period were selected as the control group.