According to the International Journal of Audiology, 7 to 15 per cent of adults affected with COVID-19 report audio-vestibular symptoms. The most common symptom happens to be tinnitus or ringing in the ears, followed by hearing loss and vertigo.

from Times of India https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/covid-induced-deafness-all-you-need-to-know/articleshow/86527108.cms