Publication: Research article clinical and epidemiologic characteristics associated with dengue fever in 2011–2016 in bang phae district, ratchaburi province, thailand
Issued Date
2021-06-01
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ISSN
19352735
19352727
19352727
Other identifier(s)
2-s2.0-85109659337
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Mahidol University
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SCOPUS
Bibliographic Citation
PLoS Neglected Tropical Diseases. Vol.15, No.6 (2021)
Suggested Citation
Jacqueline Kyungah Lim, Pornthep Chanthavanich, Kriengsak Limkittikul, Jungseok Lee, Chukiat Sirivichayakul, Kang Sung Lee, Sl Ki Limid, In Kyu Yoon, Weerawan Hattasingh Research article clinical and epidemiologic characteristics associated with dengue fever in 2011–2016 in bang phae district, ratchaburi province, thailand. PLoS Neglected Tropical Diseases. Vol.15, No.6 (2021). doi:10.1371/journal.pntd.0009513 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/78131
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Title
Research article clinical and epidemiologic characteristics associated with dengue fever in 2011–2016 in bang phae district, ratchaburi province, thailand
Abstract
Background Dengue is a major public health problem in Thailand, but data are often focused on certain dengue-endemic areas. Methods: To better understand dengue epidemiology and clinical characteristics in Thailand, a fever surveillance study was conducted among patients aged 1–55 years, who presented with non-localized febrile illness at Bang Phae Community Hospital in Ratchaburi province, Thailand from October 2011 to September 2016. Results Among 951 febrile episodes, 130 were dengue-confirmed. Individuals aged 10–14 years were mostly affected, followed by those 15–19 years-of-age, with about 15% of dengue-confirmed cases from adults 25 years and older. There were annual peaks of dengue occurrence between June-November. Most prevalent serotype in circulation was DENV-2 in 2012, DENV-3 in 2014, and DENV-4 &-3 in 2015. Among dengue cases, 65% were accurately detected using the dengue NS1 RDT. Detection rate was similar between secondary and primary dengue cases where 66% of secondary vs. 60% of primary dengue cases had positive results on the NS1 RDT. Among dengue cases, 66% were clinically diagnosed with suspected dengue or DHF, prior to lab confirmation. Dengue was positively associated with rash, headache, hematemesis and alterations to consciousness, when compared to nondengue. Dengue patients were 10.6 times more likely to be hospitalized, compared to nondengue cases. Among dengue cases, 95 were secondary and 35 were primary infections. There were 8 suspected DHF cases and all were identified to be secondary dengue. Secondary dengue cases were 3.5 times more likely to be hospitalized compared to primary dengue cases. Although the majority of our dengue-positive patients were secondary dengue cases, with few patients showing manifestations of DHF, our dengue cases were mostly mild disease. Even among children < 10 years-of-age, 61% had secondary infection and the rate of secondary infection increased with age. Conclusion While the majority of dengue-confirmed cases were children, almost three-quarters of dengue-confirmed cases in this study were secondary dengue. Our study results consistent with previous data from the country confirm the hyperendemic transmission of DENV in Thailand, even in the non-epidemic years. With various interventions becoming available for dengue prevention and control, including dengue vaccines, decision-making on future implementation strategies should be based on such burden of disease data.