A METHOD AND COMPOSITION FOR TREATING ALLERGIC DISEASES AND/OR AIRWAY INFLAMMATION INCLUDING POLLINOSIS, BRONCHIAL ASTHMA, ALLERGIC RHINITIS, ATOPIC DERMATITIS AND ANAPHYLACTIC SHOCK WITH THE ADMINISTRATION TO A SUBJECT AN AMOUNT OF AN ANTI-INFECTIOUS AGENT SUCH AS RIBAVIRIN AND OPTIONALLY COMBINED WITH AN ANTI-INFLAMMATORY AGENT SELECTED FROM INHALED STEROIDS, LEUKOTRIENE RECEPTOR ANTAGONISTS AND BETA-2 RECEPTOR AGONIST. FIGURE 1