Fiberbronchoscope fluid precipitation pathogen detection rate by about 60% -80%, bronchoalveolar lavage or biopsy specimens by fiberbronchoscope positive rate of up to 90%.

• 纤支镜灌洗液沉淀病原体检出率约60%25-80%25，支气管肺泡灌洗液或经纤支镜活检标本阳性率可达90%25。