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Page: 76
Volume XXV, Issue 2(162) 2015
Spatial epidemiology of cholera outbreaks in the Bac Ninh province of Vietnam, 2007 to 2011
Author: Pham Quang Thai, Nguyen Thi Binh, Tran Ngoc Phuong Mai, Pham Thi Quan, Nguyen Phuong Thuoc, Nguyen Khac Tu, Trinh Xuan Nam and Tran Nhu Duong
Summary:
We applied spatial epidemiology method with global positioning system (GPS) and geographic information system (GIS) to analyze the spatial epidemiology characteristics of the cholera outbreak in the Bac Ninh Province of Vietnam. Results showed six clusters of cases found by statistical means. Most cases are identified in the two districts of Yen Phong and Thuan Thanh, with a maximum radius effect of 5.72 km. The density of cases was lower in other districts, which showed a smaller cluster radius of less than 0.6 km. Clusters are situated close to one another: three clusters in Thuan Thanh district overlapped with one other, whereas the other three clusters were located in three neighboring districts. Cases of cholera in Bac Ninh mainly occurred among the agriculture group and at the 35 years old to 54 years old age groups (33.8%). The number of male cases was fewer than female cases (43% vs. 57%), but this result was not statistically significant. High-risk behaviors include consuming suspected food, such as dog meat (37.6%) and raw vegetables (73%), living near highways (90%), consuming food at big parties (57.8%), and eating street food (17.9%). Spatial cluster analysis shows the wide effect of the cholera outbreak, which is related to big parties, living near highways, and eating raw vegetables and food. The study also points out that the outbreaks could be mitigated if cases were tracked properly using GPS/GIS technology
Keywords:
Cholera outbreak, Bac Ninh, spatial epidemiology, global positioning system (GPS), geographic information system (GIS)
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Happy New Year 2019! Year of the Pig
The Vietnam Journal of Preventive Medicine wish all readers with healthy, happiness and prosperity in the year of the Pig. Happy New Year 2019
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