People’s had normal pharyngeal flora. Pharyngeal bacteria are from the outside world, under normal circumstances will not lead to disease, but when the human body or local resistance to decline and other external factors, it maybe cause infection and other diseases.
Naso oropharyngeal swabs are used for the diagnosis of pharyngeal diseases. The naso oropharyngeal swabs can isolate the pathogens, contribute to the diphtheria, suppurative tonsillitis, acute pharyngitis and other diagnosis.