Start an immune boosting, cold and flu prevention herbal formula.  Stay on this formula until the flu season ends.  Your practitioner will decide which formula is best for you. This is especially important for adults and children with a weakened immune system, a history of frequent illnesses, fatigue, and stress. Get plenty of sleep every night.  Aim for at least 8 hours.  Fall is dominated by the metal element (Lung and Large Intestine meridians) and winter by the water elem