ADDISON, Texas--(BUSINESS WIRE)--A clinical research study on Med-Tech Systems International’s Aurora M600 air sterilization device has demonstrated its effectiveness in dramatically reducing symptoms of respiratory illnesses, such as asthma, emphysema, allergies, and Chronic Obstructive Pulmonary Disease (COPD). The study demonstrates the value of the device in decreasing the severity of symptoms, acuity of care as well as the need for doctor and hospital visits and medication use.