7 Things Doctors Suggest You Should Avoid Doing When Going Out in Public

5. Board a crowded train

See a packed train heading to the station? Perhaps you just want to wait for the next one to come. “Do your best to use [public transportation] during off-hours when spaces are less crowded,” suggests Natterson.
If you can’t, she suggests wearing a mask, avoiding touching objects like doors and railings, and instead washing or sanitizing your hands if you do.