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中国细菌性痢疾流行特征及影响因素研究进展

Progress in research on epidemiology and influencing factors of bacillary dysentery in China

  • 摘要: 细菌性痢疾(bacillary dysentery,BD)是一种由志贺菌引起的急性肠道传染病,全球范围内每年报告感染人数约1.65亿,是致人类腹泻的重要病因之一。BD的传播流行受到来自病原体、宿主、水文气象、自然地理和社会经济等多种因素的综合影响。由于中国各地区经济发展、地理特征、人文环境和医疗水平各不相同,BD的分布存在显著的时空异质性。近年来,我国BD呈现风险区域两极化和高危人群老龄化的新趋势,疾病预防的重点仍然是切断传播途径和保护易感人群。本文对我国BD的流行特征及影响因素进行综述,旨在为BD防控措施和策略的制定提供一定参考。

     

    Abstract: Bacterial dysentery (BD) is an acute intestinal infectious disease caused by Shigella spp., with approximately 165 million cases reported worldwide each year, making it a leading cause of human diarrhea. The transmission and prevalence of BD are influenced by a combination of factors, including pathogens, hosts, hydrometeorological conditions, natural geography, and socioeconomic factors. Due to differences in economic development, geographic features, cultural environments, and levels of health care among different regions in China, the distribution of BD exhibits significant spatial and temporal heterogeneity. In recent years, China has witnessed new trends in BD, including the polarization of risk areas and the aging of high-risk populations. Disease prevention efforts continue to focus on interrupting transmission routes and protecting susceptible populations. This article reviews the epidemiologic characteristics and influencing factors of BD in China, with the aim of providing guidance for the formulation of BD prevention and control policies and strategies.

     

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