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- Title
Dengue Dynamics in Kuantan, Pahang Malaysia: An Interplay of Climate Factors and Disease.
- Authors
Saiful Amini, Anis Syaida; Muhammad Khalil, Nur Hazirah; Che Omar, Nur Syazwana; Ismail, Sabaridah; Ahmad, Waseem
- Abstract
Introduction: Dengue fever is one of the most prevalent vector borne diseases in the world mainly in tropical and subtropical countries. Its incidence has increased tremendously over the last 50 years. Dengue fever is endemic in Malaysia most probably due to high rainfall especially at the end of the year till February. Other climate factors like humidity and temperature are also likely to have an impact on the dengue fever incidence. This study is to plot the 5-year trend of dengue fever incidence and its association with climate factors which were rainfall, temperature, and humidity. Methods: This was a retrospective study conducted in Kuantan, Pahang, Malaysia. Incidence of dengue fever from 2015 to 2019 was obtained from vector unit of the District Health Office. The average humidity, rainfall, and temperature for the same epidemiology weeks for each year were obtained from Department of Meteorology, Malaysia. Correlation between dengue incidence and all the climate factors was analysed. Results: Overall trend showed high incidence of dengue fever in year 2015 and 2016 (n= 1724 and 1684 cases respectively). The incidence declined during 2017 and 2018 (963 and 575 cases respectively) and increase again in 2019 (n= 1650). The incidence was fluctuating over the year however it was higher in January, February, November, and December. There was significant correlation between dengue incidence and temperature (p= 0.028). Correlations with rainfall and humidity were not significant (p >0.05). Conclusion: This 5-year study on retrospective data showed a significant association of Dengue incidence and temperature, whereby high temperature correlated with low Dengue incidence. Correlation with rainfall was not significant (p>0.05), even though the incidence of Dengue was high at the end and beginning of the year which is the rainy season.
- Subjects
MALAYSIA; DENGUE hemorrhagic fever; DENGUE; MEDICAL climatology; VECTOR-borne diseases; RAINFALL; LOW temperatures
- Publication
Malaysian Journal of Medicine & Health Sciences, 2024, Vol 20, p52
- ISSN
1675-8544
- Publication type
Abstract