Not everything is COVID related, but I still find it odd that no one seems to ever consider the possibility these days.

https://www.npr.org/2023/09/07/1198084041/bruce-springsteen-peptic-ulcer-disease

https://datebook.sfchronicle.com/music/springsteen-tour-covid-new-jersey-e-street-band-17901807

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9280505/

"Globally, recent studies have revealed a significant correlation between COVID-19 and peptic ulcer disease."