1·Objective To study the clinical and etiological characteristics of the patients with acute cerebrovascular diseases complicated by bronchus-lung infection.
目的探讨合并有支气管-肺感染的急性脑血管病患者的临床与病原学特点。
2·METHODS To carry out a field epidemiological survey and etiological study on Listeriosis.
方法：定点进行了流行病学调查和病原学研究。
3·Objective: To investigate clinical and etiological characteristics, predisposing factors of hospital-acquired pneumonia (HAP) in senile people and to explore the preventive and therapeutic strategies.
目的探讨老年人院内获得性肺炎（HAP）的临床、病原学特点、易患因素及防治对策。
4·CONCLUSION We should think highly of etiological detection and monitoring of drug resistance in pathogen nosocomial infections in tumor patients in order to control the infections effectively.
结论重视肿瘤患者病原菌医院感染的病原学检查和药敏监测，才能有效地控制病原菌医院感染。