Croup.
D015984:Causality; D003371:Cough / Q000821:virology; D003440:Croup / Q000175:diagnosis / Q000628:therapy / Q000821:virology; D003937:Diagnosis, Differential; D004417:Dyspnea / Q000821:virology; D005334:Fever / Q000821:virology; D006685:Hoarseness / Q000821:virology; D006801:Humans; D017053:Infection Control