Spatial Analysis of Dengue Haemmorrhagic Fever Incidence in Salatiga City, Central Java, Indonesia
Background: Dengue Haemmorrhagic Fever (DHF) is the most important mosquito-borne viral disease affecting humans, transmitted by a mosquito vector. In Indonesia, the highest epidemic peak was in 2010 with 86 cases per 100,000 person-years. Central Java Province placed the second rank of DHF incidence with 45.53 per 100,000 person-years in 2013. Salatiga City is one of the highland areas in Central Java, which had a high level of DHF incidence with 317 per 100,000 person-years in the year 2013. However, there was no information about the spreading of DHF. This research aimed to spatially analyze DHF incidence in Salatiga City. Methods: It was an observational research using cross-sectional design. The study population was all DHF cases occurred in the year of 2011–2015. Data collection was conducted by documentation study and measuring the coordinate position of DHF cases using Geographic Positioning System (GPS). Data would be analyzed to get a mapping of DHF spread using ArcGis 9.3. Results: Over the year of 2011 to 2015, the incidence of DHF was fluctuating. The highest number of cases occurred in 2013, but the largest infected area occurred in 2015, eventhough the number of cases decreased significantly. There was a changing pattern in the spreading of DHF cases. Spatial analysis indicated that DHF tends to spread from the central of the city to the rural area near the Ring Road of Salatiga. Conclusion: DHF cases had undergone the changing in spreading pattern. It started from the central of the city to the rural area near the ring road Salatiga.
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Document Type: Research Article
Affiliations: Faculty of Public Health, Diponegoro University, Semarang 50275, Indonesia
Publication date: April 1, 2017
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