广州市越秀区登革热疫点核心区居民楼天台伊蚊孳生情况调查

doi:10.11853/j.issn.1003.8280.2020.06.021

摘要/Abstract

摘要： 目的掌握广州市越秀区登革热疫点核心区居民楼天台伊蚊孳生情况，为媒介伊蚊科学监测和防制提供依据。方法 2018年1月至2019年8月，调查越秀区登革热疫点核心区居民楼天台基本情况、伊蚊孳生情况，运用EpiData 3.0软件录入数据，使用SPSS 21.0软件进行统计分析。采用χ²检验方法比较不同天台伊蚊孳生阳性率的差异，同时用logistic分析方法分析天台伊蚊孳生阳性率的影响因素。结果在414个楼宇天台中，共发现有伊蚊孳生的天台154个，阳性率为37.20%，其容器指数为34.27%（439/1 281）。高楼层与低楼层其天台伊蚊孳生阳性率差异无统计学意义（χ²=0.839，P=0.360）。被用作其他用途的天台伊蚊孳生阳性率（122/295，41.36%）明显高于非用做其他用途的阳性率（32/119，26.89%）（χ²=7.595，P=0.006）。在天台栽培花草或蔬菜、围建居住、堆放杂物等均可增加天台伊蚊孳生的风险。阳性孳生主要以储水或闲置容器为主，占47.61%（209/439），其次是水生植物（107/439，24.37%）、垃圾杂物（84/439，19.13%）和其他（39/439，8.88%）。结论天台是伊蚊孳生非常重要但是容易被忽视的环境，在制定蚊媒控制措施与效果评价时，应同时关注天台环境蚊虫孳生情况。

关键词: 伊蚊, 孳生地, 登革热, 容器指数

Abstract: Objective To investigate the breeding of Aedes on rooftops of residential buildings in the core area of dengue hotspots in Yuexiu district of Guangzhou, China, and to provide a basis for scientific surveillance and control of Aedes vector. Methods From January 2018 to August 2019, an investigation was performed for the general information and breeding of Aedes on rooftops of residential buildings in the core area of dengue hotspots in Yuexiu district. EpiData 3.0 software was used for data entry, and SPSS 21.0 software was used for statistical analysis. The chi-square test was used for comparison of the positive breeding rate of Aedes between different rooftops, and a logistic regression analysis was used to identify the influencing factors for the positive breeding rate of Aedes on rooftops. Results Among the 414 rooftops inspected, 154 (37.20%) were positive for Aedes, with a container index of 34.27% (439/1 281). There was no significant difference in the positive breeding rate of Aedes on rooftops between high buildings and low buildings (χ²=0.839, P=0.360). Rooftops used for other purposes had a significantly higher positive breeding rate of Aedes than those not used for other purposes[41.36% (122/295) vs 26.89% (32/119), χ²=7.595, P=0.006]. Cultivation of flowers or vegetables, enclosure for living, and storage of sundries increased the risk of breeding of Aedes. Positive breeding was mainly observed in water containers or idle containers, accounting for 47.61% (209/439), followed by water plants (107/439, 24.37%), rubbish (84/439, 19.13%), and other things (39/439, 8.88%). Conclusion Rooftops are important breeding sites for Aedes and are often neglected. The breeding of Aedes on rooftops should be taken seriously when developing the measures for mosquito control and effectiveness evaluation.

Key words: Aedes, Breeding site, Dengue fever, Container index

中图分类号:

R384.1

钟雪珊, 刘志明, 彭剑泉, 梁戈阳, 饶思惠, 黄亮宇. 广州市越秀区登革热疫点核心区居民楼天台伊蚊孳生情况调查[J]. 中国媒介生物学及控制杂志, 2020, 31(6): 722-725.

ZHONG Xue-shan, LIU Zhi-ming, PENG Jian-quan, LIANG Ge-yang, RAO Si-hui, HUANG Liang-yu. An investigation of the breeding of Aedes on the rooftops of residential buildings in the core area of dengue fever focus in Yuexiu district of Guangzhou, China[J]. Chines Journal of Vector Biology and Control, 2020, 31(6): 722-725.

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