Wash you Hands
Every year there is a new strain of flu or influenza
If you qualify, it is a good idea to get your flu shot
every year. For colds, there really is no medical treatment better than prevention. During any season the best bet is to wash your hands before you eat, after you shake hands, or touch object used by others (door handles). Also hand sanitizer works wonders. Unitl vaccinated, minimize risk.
Answer assisted by Michael Erickson, Medical Student