百日咳是由百日咳鲍特菌引起的急性呼吸道传染病，传染性极强，主要通过飞沫传播，严重时威胁生命。百日咳的流行病学特征随时间变化，近年来，全球范围内百日咳再现的情况不断发生，我国百日咳的发病率也呈现上升趋势。百日咳再现受多种因素影响，此文旨在系统梳理和分析我国百日咳再现的原因，在此基础上提出防控建议，为此类传染病的预防提供参考。

Pertussis is a highly contagious acute respiratory infectious disease caused by Bordetella pertussis. Pertussis transmits predominantly through droplets and poses a significant threat to life, especially in severe cases. In recent years, pertussis resurgence has occurred globally with evolving epidemiological patterns. The prevalence of pertussis in China is also increasing. A variety of factors influence pertussis resurgence. This paper aims to systematically sort out and analyze the causes of pertussis resurgence in China, and put forward some prevention and control suggestions, providing references for preventing this type of infectious disease.