2017—2019年深圳市龙岗区登革热媒介白纹伊蚊监测结果分析

doi:10.12183/j.scjpm.2021.1532

摘要/Abstract

摘要： 目的分析2017—2019年深圳市龙岗区白纹伊蚊密度季节消长和幼虫孳生特点,为制定当地登革热防控措施提供参考依据。方法 2017—2019年,在深圳市龙岗区11个街道设立监测点,采用布雷图指数（BI）评价伊蚊幼虫密度,诱蚊诱卵指数（MOI）评价伊蚊成虫密度;对不同月份、不同环境蚊媒密度（BI、MOI）及其BI和MOI的相关性进行分析。结果 2017—2019年平均BI为3.52,3年间BI呈逐年上升趋势,不同年份BI和不同月份BI差异有统计学意义（P<0.01）,2017、2018年BI高峰为9月份（分别为6.09、5.81）,2019年为5月（BI为6.11）;不同环境的BI差异有统计学意义（P<0.01）,居民区BI最高,为5.00。平均MOI为5.04,3年间呈波动趋势,不同年份MOI差异无统计学意义（P>0.05）,不同月份MOI差异有统计学意义（P<0.01）,2017年8月、2018年9月、2019年6月MOI最高,分别为9.90、8.82、9.83;不同环境的MOI差异有统计学意义（P<0.01）,公园MOI最高（5.49）。同期之间BI与MOI呈正相关（P<0.01）。结论深圳市龙岗区白纹伊蚊密度较高,有明显季节性,加强登革热媒介伊蚊监测和风险评估,为制定科学合理的蚊虫控制措施提供依据。

关键词: 登革热, 白纹伊蚊, 布雷图指数, 诱蚊诱卵指数

Abstract: Objective To analyze seasonal variation and larval breeding characteristics in the density of Ae. albopictus in Longgang District, Shenzhen, 2017-2019, so as to provide a reference for the development of local dengue fever prevention and control measures. Methods From 2017 to 2019, surveillance points were set up in 11 sub-districts of Longgang District, the density of Ae. Albopictus larvae was evaluated by the Breteau index （BI）, and that of Ae. Albopictus adult was evaluated by the mosq-ovitrap index （MOI）. Analyze the mosquito density（BI, MOI） in different months and different environments and the correlation between BI and MOI. Results The average BI was 3.52 in 2017-2019. During the three years, the BI showed an increasing trend year by year. The BI of different years and of different months were statistically significant （P<0.01）. Of these, the BI peak in 2017 and 2018 were September （BI=6.09 and 5.81, respectively）, and in 2019 was May （BI=6.11）. The BI of different environments was statistically significant （P<0.01）, among which the BI of residential areas was the highest （BI=5.00）. The average MOI was 5.04 in 2017-2019. During the three years, the MOI showed a fluctuating trend. The MOI of different years were not statistically significant （P>0.05）, but the MOI of different months were statistically significant （P<0.01）. The MOI peak in 2017 was August （MOI=9.90）, in 2018 was September （MOI=8.82）, and in 2019 was June （MOI=9.83）. The MOI of different environments was statistically significant （P<0.01）, among which the MOI of park was the highest （MOI=5.49）. BI and MOI in the same period were positively correlated （P<0.01）. Conclusion The density of Ae. Albopictus in Longgang District was high and was obviously seasonality. Strengthen the monitoring and risk assessment of Ae. Albopictus will provide the reference for the scientific and reasonable mosquito control measures.

Key words: Dengue, Ae. Albopictus, Breteau index, Mosq-ovitrap index

中图分类号:

R183.5

沈培林, 廖俊蕾. 2017—2019年深圳市龙岗区登革热媒介白纹伊蚊监测结果分析[J]. 华南预防医学, 2021, 47(12): 1532-1535.

SHEN Pei-lin, LIAO Jun-lei. Surveillance results of dengue vector Ae. Albopictus in Longgang District, Shenzhen, 2017-2019[J]. South China Journal of Preventive Medicine, 2021, 47(12): 1532-1535.

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