Most common cause of congenital sensineuronal hearing loss ?: (A) Parvovirus, (B) CMV, (C) Rubella, (D) Toxoplasmosis
Answer is B. Ans. is'b'i.e., CMVCytomegalovirus -+ Most common viral cause of congenital viral deafnessMumps -+ Most common cause viral of acquired sensorineural hearing loss.