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呼吸道传染病的流行特点是什么?呼吸道传染病包括通过空气飞沫传播的疾病(猩红热、百日咳、流脑、麻疹、水痘、流行性腮腺炎、流感等),以及尚可通过尘埃传播的疾病(白喉、肺结核、天花等)。呼吸道传染病多在传染源周围的易感人群中发生。发病常与居住条件有关,特别是与居住拥挤有关。短潜伏期的传染病(如流感等),在易感人群集中时常出现爆发流行。在缺乏有效措施控制的情况下,呼吸道传染病有周期性流行的特点,如麻疹在没有普遍进行预防接种前,一般城镇中通常是每隔一年流行一次。此外,呼吸道传染病也有季节性升高的表现,
What are the prevalent characteristics of respiratory infectious diseases? Respiratory infectious diseases include those that spread through air droplets (scarlet fever, whooping cough, meningitis, measles, chickenpox, mumps, flu, etc.) as well as those that are still dust-borne Diphtheria, tuberculosis, smallpox, etc.). Respiratory infectious diseases occur mostly in susceptible people around the source of infection. Often related to living conditions, especially with the crowded living. Short-term infectious diseases (such as flu, etc.), often occur in the crowd of susceptible outbreaks. In the absence of effective measures to control the epidemic of respiratory diseases, there are cyclical epidemiological characteristics such as measles in the absence of universal pre-vaccination, the general urban area is usually once every 1 year. In addition, respiratory diseases also have seasonal manifestations,