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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/15451


    Title: Dengue virus serotype did not contribute to clinical severity or mortality in Taiwan's largest dengue outbreak in 2015
    Authors: Tsai, JJ;Chang, K;Chen, CH;Liao, CL;Chen, LJ;Tsai, YY;Tsai, CY;Lin, PC;Hsu, MC;Liu, LT
    Contributors: National Mosquito-Borne Diseases Control Research Center;National Institute of Infectious Diseases and Vaccinology
    Abstract: BackgroundDengue virus serotype 2 (DENV-2) was the major serotype in the 2015 dengue outbreak in Taiwan, while DENV-1 and DENV-3 were dominant between 2005 and 2014. We aimed to investigate whether DENV-2 contributed to disease severity and mortality in the outbreak in Kaohsiung city, Taiwan.MethodsWe collected serum samples from dengue patients to detect the presence of DENV and determine the serotypes by using quantitative reverse transcription-polymerase chain reaction. Our cohorts comprised 105 DENV-1-infected cases and 1,550 DENV-2-infected cases. Demographic data, DENV serotype, and comorbidities were covariates for univariate and multivariate analyses to explore the association with severity and mortality.ResultsThe results suggested that DENV-1 persisted and circulated, while DENV-2 was dominant during the dengue outbreak that occurred between September and December 2015. However, DENV-2 did not directly contribute to either severity or mortality. Aged patients and patients with diabetes mellitus (DM) or moderate to severe chronic kidney disease (CKD) had a higher risk of developing severe dengue. The mortality of dengue patients was related to a higher Charlson comorbidity index score and severe dengue. Among DENV-2-infected patients and older patients, preexisting anti-dengue IgG, DM, and moderate to severe CKD were associated with severe dengue. Moreover, female sex and severe dengue were associated with a significantly higher risk of death.ConclusionsOur findings highlight the importance of timely serological testing in elderly patients to identify potential secondary infections and focus on the meticulous management of elderly patients with DM or moderate to severe CKD to reduce dengue-related death.
    Date: 2023-11-06
    Relation: European Journal of Medical Research. 2023 Nov 06;28:Article number 482.
    Link to: http://dx.doi.org/10.1186/s40001-023-01454-3
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0949-2321&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:001099042500005
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85175872332
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