目的 对杭州亚运会绍兴赛区一、二级区域开展蚊媒密度监测,指导蚊媒防制,为大型活动期间蚊媒控制积累经验。方法 于2023年7月31日至10月8日,每周对杭州亚运会期间绍兴赛区10个涉亚运会（涉亚）场所的一、二级区域开展蚊媒密度监测,监测指标为路径指数和布雷图指数（BI）。采用Excel 2016和SPSS 28.0软件进行数据录入、汇总和统计分析,对一级区域路径指数进行统计描述,二级区域BI与时间相关性采用Spearman相关分析,省级监测点与非省级监测点组间比较应用Wilcoxon秩和检验。结果 按行政区域分析,越城区、柯桥区一级区域路径指数分别自第3、第5周降至0后均达到A级控制水平。按场所分类分析,竞赛场馆、定点医院、定点酒店一级区域路径指数分别于第3、第3、第5周降至0后均达到A级控制水平。越城区、柯桥区二级区域BI呈下降趋势（rs 分别为-0.924、-0.988,均P<0.001）。涉亚场所二级区域BI呈下降趋势（rs=-0.988,P<0.001）；其中竞赛场馆、定点酒店二级区域BI呈下降趋势（rs 分别为-0.988、-0.994,均P<0.001）,定点医院二级区域BI与时间的相关性无统计学意义（rs =-0.579,P=0.080）。按涉亚场所是否为省级监测点分析,省级监测点与非省级监测点BI差异无统计学意义（Z=-0.454,P=0.650）。结论 通过每周开展蚊媒密度监测,反馈问题并督促整改落实,杭州亚运会期间绍兴赛区涉亚运会区域蚊媒密度基本控制在标准要求范围内,保障了人员的健康与赛事的顺利举办。
Objective To conduct mosquito density surveillance in the first- and second-level areas of the Shaoxing Competition Zone of the Hangzhou Asian Games in China, so as to accumulate experience for mosquito vector control during major events. Methods From July 31 to October 8, 2023 during the Hangzhou Asian Games, mosquito density was monitored weekly in the first- and second-level areas of 10 related venues in the Shaoxing Competition Zone. The monitored indicators were the route index and the Breteau index (BI). Excel 2016 and SPSS 28.0 softwares were used for data entry and aggregation and statistical analysis. The route index of the first-level areas was described. The correlation between BI and time in the second-level areas was determined using Spearman correlation analysis. The Wilcoxon rank sum test was used for comparison between provincial and non-provincial surveillance points. Results By administrative region, the route index of the first-level areas in Yuecheng and Keqiao districts decreased to 0 at weeks 3 and 5, respectively, reaching level-A control. By venue classification, the route index of the first-level areas of competition venues, designated hospitals, and designated hotels decreased to 0 at weeks 3, 3, and 5, respectively, reaching level-A control. The BI of the second-level areas of Yuecheng District and Keqiao District showed a downward trend (Yuecheng: rs=-0.924, P<0.001; Keqiao: rs=-0.988, P<0.001). In general, the BI of the second-level areas of Asian Games-related venues showed a downward trend (rs=-0.988, P<0.001), the change in BI over time was significant for competition venues (rs=-0.988, P<0.001) and designated hotels (rs=-0.994, P<0.001), but not significant for designated hospitals (rs=-0.579, P=0.080). There was no significant difference between provincial and non-provincial surveillance points (Z=-0.454, P=0.650). Conclusion Through weekly surveillance of mosquito density, addressing feedback issues, and supervising the implementation of rectification measures, during the Hangzhou Asian Games, mosquito density in the Shaoxing Competition Zone was generally controlled within the standard limits, which ensured the health of personnel and the smooth flow of the event.
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