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The culture of normal pharynthia should be normal oral bacteria, but no pathogenic bacteria growth.
The bacterium of pharynx ministry comes from outside, do not cause disease below normal circumstance, but drop in body whole body or local resistance and other exterior factor can appear below infection wait to cause a disease.
Therefore, pharyngeal swab culture can isolate pathogenic bacteria, helpful to the diagnosis of diphtheria, suppurative tonsillitis, acute pharyngitis and so on.








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