On New Year's Eve, stay indoors and close your windows and doors.

Check that your air conditioner or air purifier is working properly, change filters if necessary.

Do not smoke and avoid second-hand smoke.

If you take medication, make sure you have an adequate supply and use them as directed by your physician.

Contact your physician if you need more medication and get clear instructions of what to do if your lung condition suddenly worsens.

Avoid people who have colds and other lung infections and wash your hands thoroughly.

Drink plenty of fluids to loosen mucus. Warm beverages work best.

Get plenty of rest and limit physical exertion.