A report on vector surveillance in Guangzhou from 2017 to 2019

HE Tao; LI Xiao-ning; CHEN Zong-qiu; JIANG Yi-min; LIU Jie; Wang Xiu-juan; YANG Zhi-cong

doi:10.16462/j.cnki.zhjbkz.2021.08.008

Volume 25 Issue 8

Aug. 2021

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Article Navigation > CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION > 2021 > 25(8): 912-917

HE Tao, LI Xiao-ning, CHEN Zong-qiu, JIANG Yi-min, LIU Jie, Wang Xiu-juan, YANG Zhi-cong. A report on vector surveillance in Guangzhou from 2017 to 2019[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2021, 25(8): 912-917. doi: 10.16462/j.cnki.zhjbkz.2021.08.008

Citation:

HE Tao, LI Xiao-ning, CHEN Zong-qiu, JIANG Yi-min, LIU Jie, Wang Xiu-juan, YANG Zhi-cong. A report on vector surveillance in Guangzhou from 2017 to 2019[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2021, 25(8): 912-917. doi: 10.16462/j.cnki.zhjbkz.2021.08.008

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A report on vector surveillance in Guangzhou from 2017 to 2019

doi: 10.16462/j.cnki.zhjbkz.2021.08.008

1.
Department of Epidemiology and Health Statistics, School of Public Health, Guangdong Pharmaceutical University, Guangzhou 510006, China
2.
Department of Disinfection and Vector Control, Guangzhou Center for Disease Control and Prevention, Guangzhou 510440, China
3.
Department of Epidemiology and Health Statistics, School of Public Health, Sun Yat-Sen University, Guangzhou 510080, China
4.
Central Office, Guangzhou Center for Disease Control and Prevention, Guangzhou 510440, China

Funds:

Medical Key Discipline Construction Project of Guangzhou 2017-2019-07

Guangzhou Science and Technology Planning Project 201803040006

More Information

Corresponding author: YANG Zhi-cong, E-mail: yangzc@gzcdc.org.cn
Received Date: 2020-09-21
Rev Recd Date: 2021-02-03

Available Online: 2021-08-24

Publish Date: 2021-08-10

Abstract

Abstract

Objective To understand the composition, density and seasonal fluctuation of vector populations in Guangzhou in recent years, so as to provide scientific basis for vector control. Methods According to the "National Vector Monitoring Program" and "Guangzhou Vector Monitoring Program", a monthly monitoring of mouses, cockroaches, mosquitoes and flies was carried out in Guangzhou from 2017 to 2019, and the vector density and seasonal fluctuation of different habitats were statistically analyzed. Results From 2017 to 2019, the overall mouses density was 2.42%. The highest overall density of mouses was in urban residential area, with the peak of its density concentrated in August to October. The overall cockroach infestation rate was 13.79% and the overall density was 0.58 insects per sheet. In three years, the infestation rate and density of cockroaches were higher in farmer's market than other habitats (P < 0.001). The peaks in cockroach infestation rate and density in farmer's market were in September and October, respectively. The overall adult mosquito density was 2.75 mosquitoes per (lamp·night), and statistically significant differences were found in adult mosquito density among different habitats in three years (χ² =51.277, P < 0.001). The density of adult mosquitoes in farm household and livestock shed was higher than that in urban habitats, and the peaks were in April and July, respectively. The total fly density was 1.17 flies per cage, and the difference of fly density among different habitats in three years was statistically significant (χ² =22.427, P < 0.001). The highest fly density was in the farmer's market from 2017 to 2019, and its peak was concentrated in August. Conclusion The vector density and seasonal fluctuation trends of different habitats in Guangzhou are different. Long-term, systematic and continuous vector monitoring and control should be carried out in accordance with actual conditions.
- Vector,
- Density,
- Seasonal fluctuation

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References(14)

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