Background Despite of wide use of broad -spectrum antibiotics, bacterial infection remains the main cause of inpatient death.

背景和目的尽管广谱抗菌素广泛应用，细菌感染仍是住院病人死亡的主要原因。

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Background Despite of wide use of broad -spectrum antibiotics, bacterial infection remains the main cause of inpatient death.

背景和目的尽管广谱抗菌素广泛应用，细菌感染仍是住院病人死亡的主要原因。

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