Low dose Asprin (acetylsalicylic acid) has been shown to reduce the risk of certain cancers. Apparently it reduces the number of platelets which thins the blood, and it reduces inflammation.
No surprise it has benefits with COVID-19. There is a risk with bleeding in the stomach which is mostly related to other underlying conditions like ulcers though.

Dammed for what you do and dammed for what you don't
As long as they give a damn. They wanted the job, it comes with approbation, they can take it. If it helps us, we the sufferers, the funders, the workers, to get through the day - so be it. There are no clean neat solutions here, it will be messy. There will be mistakes.