【摘要】目的根据传染病传染的特征对常见传染病进行针对性的预防。方法对传染病的发病年龄、发病季节、进行调查分析比较。结果传染病的发病有年龄阶段性、有季节性。结论采用预防措施，防止传染病的传播。

    【关键词】传染病；传播特征；预防

    【Abstract】Objectiveaccording to the characteristic of the infectious diseases progress to prevent infectious disease；Methodscompare with infectious disease invasive age，seasons and characteristic；Resultsthe characteristic of the infectious diseases’s invasive contain age grades and seasonality；Conclusionadopt precautionary measures to prevent the spreading of infectious disease.

    【Key words】infection disease；propagative characteristic；prerention[HT1.〗

    传染病是由各种病原体所引起的疾病 ......