Clinical Research Directory

Inclusion Criteria for Acute Respiratory Illness Group:: * Age 7 to 17 years * Able to participate in study procedures, including breathing comfortably into the MBP® Breath Analyzer for 1 minute * Meets the case definition of acute respiratory illness, defined as two or more of the following signs or symptoms: fever, cough, runny nose, nasal congestion, or sore throat Inclusion Criteria for Control Group: * Age 7 to 17 years * Able to participate in study procedures, including breathing comfortably into the MBP® Breath Analyzer for 1 minute * Does not have symptoms of acute respiratory illness * Has not had symptoms of acute respiratory illness within the past month by parent or patient report * Being seen in the Emergency Department for a minor injury, such as ankle sprain or laceration, with plan to discharge from the Emergency Department Exclusion Criteria: * Unable to comfortably breathe normally into the MBP® Breath Analyzer for 1 minute * Has eaten in the 30 minutes prior to use * Has smoked in the 2 hours prior to use * Primary diagnosis or parent concern in the Emergency Department is asthma or reactive airway disease * History of or current cancer of any kind * Current smoke inhalation injury * Current concern for a drowning event * Current concern for a drug overdose * Requiring oxygen in the Emergency Department * Current tracheostomy in place * Non-English speaker * Prisoner * Active member of the military or DoD personnel * Patient with research opt-out status in the medical record * ESI score of 1 or 2