DEAR HARRIETTE: I have been traveling a lot for work and generally overdoing it, and I don't feel well. I know that I do not have COVID-19.
For my job, I have had to get a COVID-19 test every day for weeks. So I continue to go to work, even though I am coughing and definitely not at my best.
People look at me funny when I cough, and I assure them I do not have COVID-19. But I know I'm not well, and …