OBJECTIVE to study the epidemiological features of hospital lower respiratory tract infection in order to adopt effective control methods.
目的探讨医院下呼吸道感染流行病学特点，以便采取有效的控制措施。
Methods: Debridement and control of infection were given and large thick skin grafts were used to cover joint infective wound.
方法：对感染创面清创，控制感染，移植大张中厚皮片封闭创面。
Methods Self-designed questionnaire was applied to 301 nurses for the investigation into the knowledge of control and prevention of hospital infection.
方法采用自行设计的调查问卷对301名护士的医院感染控制和预防相关知识进行调查。
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