Symptom Information: Sort according to HPO 

1
(HPO:0000365) Hearing impairment 539 / 7739
2
(OMIM) Hearing loss, moderate to severe, bilateral, nonprogressive 1 / 7739
3
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
4
(HPO:0011463) Childhood onset 65 / 7739