why do some people still wear masks

After a week of isolation with Covid, if the tests are negative people can leave home. Maybe these ones are able to go out but just want to take precautions.

Because Covid is spreading again and they want to reduce the risk of catching it.

For a plethora of reasons . Covid protection is not the only purpose of face masks.

Psychological Comfort

They might be sick and weak immune system and not take any chance if getting sick