<prompt> Which of the following is true regarding congenital CMV infection?Best sample for CMV PCR is bloodIt is the most common cause of non-syndromic sensorineural hearing loss in childrenAll babies born are symptomaticBreast feeding is contraindicated if the mother is CMV seropositive  <response>: Most common infectious cause of congenital SNHL is CMV Diagnosed only by persistent presence of IgM antibody in first 2 weeks of life Congenital infection with CMV presents with symptoms in only 5- 10 of infected newborns In developing countries, most of the adults are already seropositive for CMV 