Abstract
Background: Dengue hemorrhagic fever (DHF) was one of infectious diseases that is still a concern in Indonesia, especially the Manado city. This study aimed to analyze the variability of temperature, rainfall, humidity, and the incidence of DHF in Manado city 2011-2020.Method: This ecological research used secondary data obtained from the Health Office and the Central Bureau of Statistics of the Manado City. The variables studied were air temperature, humidity, rainfall and the incidence of DHF in Manado city 2011-2020.Result: in 2016 there were 567 cases of dengue fever and the highest was in the Malalayang sub-district and the lowest was in the Ranomut sub-district. In 2017 there was a significant decrease to 139 cases, the highest in Malalayang sub-district with 32 cases, and the lowest in Bunaken sub-district with 1 case. In 2018, there was an increase in cases by 294 cases, the highest was in the Malalayang sub-district. The air temperature continues to fluctuate where based on the trendline it is found that the air temperature tends to increase. Whereas, the humidity tends to decrease. The rainfall in the city of Manado continues to fluctuate, where based on the trendline it is found that rainfall tends to decrease. Mosquitoes are cold-blooded animals and their metabolic processes or life cycles depend on the environment's temperature. The DHF cases continue to fluctuate (up and down) where based on the trendline it is found that DHF cases tend to decreaseConclusion: In the period 2011-2020 in Manado City, air temperature tends to increase but rainfall, humidity, and cases of DHF tend to decrease.
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