For nearly 430 million globally, hearing loss is a disability. It is expected that by 2050, this number could rise to more than 700 million, according to the World Health Organization. | Mashudu Tshifularo: The First Middle-ear Transplant For nearly 430 million globally, hearing loss is a disability. It is expected that by 2050, this number could rise to more than 700 million, according to the World Health Organization. Prior to 2019, there was no known cure, treatment, or surgical procedure for deafness worldwide. On March 13