A coworker of mine is older (mid 60s) and unhealthy. He has diabetes, asthma, and high blood pressure. (He's an open book about these conditions).
Our company introduced a policy with an additional 3 weeks of PTO if you contract COVID-19. My coworker told me in confidence that he's doing his best to contract COVID-19 so he can get the extra time off.
He has expended a lot of effort on this, such as going grocery shopping daily, visiting as many public places as he can, touching everything he can and then rubbing his eyes and nose. He's even tried to go to visit the hospital, but they told him to leave.
I've tried to explain to him that this is extremely stupid and that he is very high risk, but he's just shrugged it off and said that he'll be fine. He just kept repeating that he really wants the time off.
I'm obviously very concerned about him, and I'm concerned about the rest of my coworkers. (I'm working remotely, so I'll be fine, but there are several people including him that are still in the office).
My boss is out for the next 2 weeks, so I can't talk to her about it. Is this something I should go to HR about? Should I warn my coworkers about it? Or should I just stay quiet?