There are multiple threads in the UA forum and other forums on health safety of flying in the COVID era, let's not start another and try to stay with the theme of the OP.
If you want to discuss health concerns while flying UA, please look at
UA COVID19 precautions: block some seats for pre-assignment, providing masks,...
UA Asks All Passengers to Take Health Self-Assessment as Part of Check-In Process
or visit
Coronavirus and travel
WineCountryUA
UA coModerator