They can hear well up to about forty years old, but then suddenly deafness strikes people with DFNA9. The cells of the inner ear can no longer reverse the damage caused by a genetic defect in their DNA....

NOTICE: This Consumer Medicine Information (CMI) is intended for persons living in Australia. HEXAXIM® DTPa-hepB-IPV-Hib Diphtheria, tetanus, pertussis (acellular, component), hepatitis B (rDNA),...