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1·Epidemic typhus exists in highland populations in Africa and South America.

该病多发于非洲与南美洲等地的高原人群。

2·Epidemic typhus spread by the body louse is the most severe. it is one of the great scourges of history associated with crowded filthy conditions.

由体虱传播的流行性斑疹伤寒是最严重的一型，为人类史上的一大灾难，与拥挤、肮脏的人们形影相随。

3·Like dysentery, typhus, diphtheria, the epidemic brain keel turns the membrane inflammation and hepatitis B and so on, may have the recovery period cause of disease carrier.

如痢疾、伤寒、白喉、流行性脑脊翻膜炎和乙型肝炎等，都可以有恢复期病原携带者。

4·Conclusion The event was an epidemic of scrub typhus among farmers due to bites of mite larvae during unprotected harvest of soybeans.

结论此次事件是由于农民收黄豆时未采取保护措施而被恙螨幼虫叮咬引起的恙虫病流行。

5·Abstract Objective: To predict the epidemic trends of typhus in Shijiazhuang, and provide scientific basis for making the further prevention and control measures of typhus.

摘要：目的预测石家庄市斑疹伤寒的流行趋势，为进一步制订防治对策提供科学依据。