Somehow, I messed up the links in html..
Good links... I think that I got them all fixed for you.
https://www.verywellhealth.com/hearing-loss-tinnitus-symptoms-covid-19-5076221#citation-4
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4222184/
https://www.tandfonline.com/doi/full/10.1080/14992027.2020.1776406
https://www.healthyhearing.com/report/53127-Coronavirus-hearing-loss-tinnitus-covid
https://pubmed.ncbi.nlm.nih.gov/27026733/
https://www.asha.org/public/hearing/Ototoxic-Medications/
https://www.aarp.org/health/conditions-treatments/info-2019/avoiding-serious-flu-complications.html
https://www.miamiherald.com/news/coronavirus/article260210665.html