If you experience a fever, cough or sore throat; call the clinic within 72 hours of symptom onset to see if you qualify for this research study.  Patients must also have Asthma, COPD, Congestive Heart Failure or, be 65+ years old.  Individuals will be compensated for time and travel.  If you have any questions or upon symptom onset, call 402-592-2055 and ask for the research department.