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流行性斑疹伤寒是由普氏立克次体经虱传播引起的急性传染病,曾在寒、温带广大地区传播流行,近年虽已明显少见,但并未绝迹,故仍值得重视。
Epidemic typhus is an acute infectious disease caused by Plaguellus rickettsia. It was widely spread in the cold and temperate regions. Although it has been remarkably rare in recent years, it has not yet been extinct. Therefore, it is still worthy of attention.