Upper respiratory tract infection (URTI 80%of respiratory infections involve only the nose, throat ears and sinuses a The term urti embraces a number of different conditions common cold(coryza) sore throat(pharyngitis including tonsillitis) a acute otitis media a sinusitisUpper respiratory tract infection (URTI) ◼ 80% of respiratory infections involve only the nose, throat, ears and sinuses ◼ The term URTI embraces a number of different conditions: ◼ common cold (coryza) ◼ sore throat (pharyngitis, including tonsillitis) ◼ acute otitis media ◼ sinusitis