Seasonal patterns of dengue fever and associated climate factors in 4 provinces in Vietnam from 1994 to 2013

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cg.authorship.typesCGIAR and developing country instituteen
cg.authorship.typesCGIAR and advanced research instituteen
cg.contributor.affiliationInternational Livestock Research Instituteen
cg.contributor.affiliationNational Institute of Hygiene and Epidemiology, Vietnamen
cg.contributor.affiliationRoyal Bournemouth Hospitalen
cg.contributor.affiliationSeoul National Universityen
cg.contributor.affiliationHanoi School of Public Healthen
cg.contributor.crpAgriculture for Nutrition and Health
cg.contributor.crpClimate Change, Agriculture and Food Security
cg.contributor.donorAustralian Centre for International Agricultural Researchen
cg.contributor.donorIrish Aiden
cg.contributor.donorEuropean Unionen
cg.contributor.donorInternational Fund for Agricultural Developmenten
cg.contributor.donorUnited States Agency for International Developmenten
cg.coverage.countryVietnam
cg.coverage.iso3166-alpha2VN
cg.coverage.regionAsia
cg.coverage.regionSouth-eastern Asia
cg.creator.identifierHu Suk Lee: 0000-0002-8731-9836
cg.creator.identifierHung Nguyen-Viet: 0000-0003-1549-2733
cg.creator.identifierDelia Grace: 0000-0002-0195-9489
cg.howPublishedFormally Publisheden
cg.identifier.doihttps://doi.org/10.1186/s12879-017-2326-8en
cg.identifier.projectCCAFS: PII-SEA_EWSdiseases
cg.isijournalISI Journalen
cg.issn1471-2334en
cg.issue1en
cg.journalBMC Infectious Diseasesen
cg.reviewStatusPeer Reviewen
cg.subject.ccafsCLIMATE SERVICES AND SAFETY NETSen
cg.subject.ilriAGRI-HEALTHen
cg.subject.ilriCLIMATE CHANGEen
cg.subject.ilriEPIDEMIOLOGYen
cg.subject.ilriZOONOTIC DISEASESen
cg.volume17en
dc.contributor.authorHu Suk Leeen
dc.contributor.authorHung Nguyen-Vieten
dc.contributor.authorVu Sinh Namen
dc.contributor.authorLee, M.en
dc.contributor.authorWon, S.en
dc.contributor.authorPhuc Pham Ducen
dc.contributor.authorGrace, Deliaen
dc.date.accessioned2017-03-31T13:25:42Zen
dc.date.available2017-03-31T13:25:42Zen
dc.identifier.urihttps://hdl.handle.net/10568/80584
dc.titleSeasonal patterns of dengue fever and associated climate factors in 4 provinces in Vietnam from 1994 to 2013en
dcterms.abstractBackground In Vietnam, dengue fever (DF) is still a leading cause of hospitalization. The main objective of this study was to evaluate the seasonality and association with climate factors (temperature and precipitation) on the incidences of DF in four provinces where the highest incidence rates were observed from 1994 to 2013 in Vietnam. Methods Incidence rates (per 100,000) were calculated on a monthly basis from during the study period. The seasonal-decomposition procedure based on loess (STL) was used in order to assess the trend and seasonality of DF. In addition, a seasonal cycle subseries (SCS) plot and univariate negative binomial regression (NBR) model were used to evaluate the monthly variability with statistical analysis. Lastly, a generalized estimating equation (GEE) was used to assess the relationship between monthly incidence rates and weather factors (temperature and precipitation). Results We found that increased incidence rates were observed in the second half of each year (from May through December) which is the rainy season in each province. In Hanoi, the final model showed that 1 °C rise of temperature corresponded to an increase of 13% in the monthly incidence rate of DF. In Khanh Hoa, the final model displayed that 1 °C increase in temperature corresponded to an increase of 17% while 100 mm increase in precipitation corresponded to an increase of 11% of DF incidence rate. For Ho Chi Minh City, none of variables were significant in the model. In An Giang, the final model showed that 100 mm increase of precipitation in the preceding and same months corresponded to an increase of 30% and 22% of DF incidence rate. Conclusion Our findings provide insight into understanding the seasonal pattern and associated climate risk factors.en
dcterms.accessRightsOpen Access
dcterms.audienceScientistsen
dcterms.available2017-03-20
dcterms.bibliographicCitationHu Suk Lee, Hung Nguyen-Viet, Vu Sinh Nam, Lee, M., Won, S., Phuc Pham Duc and Grace, D. 2017. Seasonal patterns of dengue fever and associated climate factors in 4 provinces in Vietnam from 1994 to 2013. BMC Infectious Diseases 17: 218.en
dcterms.extentp. 218en
dcterms.issued2017-12
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherSpringeren
dcterms.subjectclimate changeen
dcterms.subjectepidemiologyen
dcterms.subjectzoonosesen
dcterms.subjectinfectious diseasesen
dcterms.typeJournal Article

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