Larvae-Free Rate Aedes sp:  The Effect of Temperature, Humidity and Rainfall  in Bengkulu City, Indonesia

Lala Foresta Valentine Gunasari; Zahara Septika Aladdawiyah; Suwarsono Suwarsono; Dessy Triana

doi:10.14710/jphtcr.v7i3.24324

DOI: https://doi.org/10.14710/jphtcr.v7i3.24324

Larvae-Free Rate Aedes sp: The Effect of Temperature, Humidity and Rainfall in Bengkulu City, Indonesia

Lala Foresta Valentine Gunasari¹ , Zahara Septika Aladdawiyah², Suwarsono Suwarsono³, Dessy Triana⁴

¹Faculty of Medicine and Health Science, Universitas Bengkulu, Bengkulu, Indonesia

²Medical Program, Faculty of Medicine and Health Science, Universitas Bengkulu, Bengkulu, Indonesia

³Physics Study Program, Faculty of Mathematics and Natural Science, Universitas Bengkulu, Bengkulu, Indonesia

⁴ Department of Parasitology, Faculty of Medicine and Health Science, Universitas Bengkulu, Bengkulu, Indonesia

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Received: 30 Aug 2024; Published: 30 Dec 2024.

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

BibTex Citation Data :

@article{JPHTCR24324,
    author = {Lala Gunasari and Zahara Aladdawiyah and Suwarsono Suwarsono and Dessy Triana},
    title = {Larvae-Free Rate Aedes sp:  The Effect of Temperature, Humidity and Rainfall  in Bengkulu City, Indonesia},
    journal = {Journal of Public Health for Tropical and Coastal Region},
  volume = {7},
    number = {3},
    year = {2024},
    keywords = {Dengue, Environmental Factors, Temperature, Humidity, Larvae-Free Rate},
    abstract = {  Abstract         Background:  Bengkulu's tropical climate is very suitable for Ae. aegypti and Ae. albopictus mosquito breeding. Temperature, humidity and rainfall affect mosquito breeding and dengue virus proliferation in mosquitoes, which in turn had an effect on the dengue infections. Dengue prevention strategy currently focuses on vector control with the Larvae Free Rate (LFR) parameter. This study aimed to determine environmental factors affecting the LFR in 2022 in Bengkulu City, Indonesia.   Methods:  This research used a cross-sectional study design with time series analysis. Time series was used to analyze and interpret sequential data points collected over  the interval of time. Secondary data about LFR was obtained from the Bengkulu City Health Service, and climate variables from the Climatology Station of the Bengkulu Meteorology, Climatology, and Geophysics Agency. Data analysis was conducted through simple linear regressions.   Results:  The average of LFR in Bengkulu City in 2022 was 78.13% (below the national target), with the highest in December (87.85%) and the lowest in May (68.53%). The average temperature, humidity, and rainfall were 26.88°C (moderate), 83.5% (moderate), and 328.96% (high), respectively. The simple linear regression analysis showed that the effect of temperature, humidity, and rainfall was significant to LFR with the respective p-values of 0.010; 0.612, and 0.173).   Conclusion:  Temperature influenced the LFR by 58,5% but humidity and rainfall have no effect on LFR of  Aedes spp.  in Bengkulu City in 2022. High temperatures will increase the risk of transmission of dengue virus infection by 3-5%.  },
   issn = {2597-4378},   pages = {289--296}  doi = {10.14710/jphtcr.v7i3.24324},
    url = {https://ejournal2.undip.ac.id/index.php/jphtr/article/view/24324}
}

Citation Format:

Abstract

Background: Bengkulu's tropical climate is very suitable for Ae. aegypti and Ae. albopictus mosquito breeding. Temperature, humidity and rainfall affect mosquito breeding and dengue virus proliferation in mosquitoes, which in turn had an effect on the dengue infections. Dengue prevention strategy currently focuses on vector control with the Larvae Free Rate (LFR) parameter. This study aimed to determine environmental factors affecting the LFR in 2022 in Bengkulu City, Indonesia.

Methods: This research used a cross-sectional study design with time series analysis. Time series was used to analyze and interpret sequential data points collected over the interval of time. Secondary data about LFR was obtained from the Bengkulu City Health Service, and climate variables from the Climatology Station of the Bengkulu Meteorology, Climatology, and Geophysics Agency. Data analysis was conducted through simple linear regressions.

Results: The average of LFR in Bengkulu City in 2022 was 78.13% (below the national target), with the highest in December (87.85%) and the lowest in May (68.53%). The average temperature, humidity, and rainfall were 26.88°C (moderate), 83.5% (moderate), and 328.96% (high), respectively. The simple linear regression analysis showed that the effect of temperature, humidity, and rainfall was significant to LFR with the respective p-values of 0.010; 0.612, and 0.173).

Conclusion: Temperature influenced the LFR by 58,5% but humidity and rainfall have no effect on LFR of Aedes spp. in Bengkulu City in 2022. High temperatures will increase the risk of transmission of dengue virus infection by 3-5%.

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Keywords: Dengue, Environmental Factors, Temperature, Humidity, Larvae-Free Rate

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