[PaulHoule]

Get sleep. Manage stress.

If you are worried about coronavirus, flu, etc. the best protection is washing with soap and water frequently.

[tmaly]

Washing hands and not touching your face are still the best recommendations.

[PaulHoule]

It drives me nuts that so much crackpot advice has been voted over this. It's how doctors and nurses manage to see many sick people a day and not be sick all the time.