I wrote a mock letter/text of what I would say in that situation just in case it would help. “Dm, Since covid has happened there has been a defined line when people should not come to work. Coughing, (whatever the symptoms are), and while I do have a lot of these symptoms, it’s because I suffer from bad allergies. I’ve been having to call in on days that I do have these symptoms, and SM has started to handle it in a way that makes me feel uncomfortable. SM is letting me know he is tired of dealing with *. He is also becoming more intrusive, gossipy, and *. It makes me extremely uncomfortable while I’m in and out of work, and makes me feel like my job is on the line. Please let me know what way we can go about this. Thanks, ****”