Balb/C mice are inoculated 3 days postnatally with murine cytomegalovirus in the (right) intra-cerebral with an injection (2000 pfu in 1 ul).

At 4 weeks, auditory function was tested with ABR and OAE measurements.

At 8 weeks, vascular damage was evaluated using partial corrosion cast and SEM microscopy.

CMV infection causes significant cochlear dysfunction