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Risk Factors Associated with Passengers with Imported Dengue Fever at International Airports in Taiwan

Author

Listed:
  • Ying-Yun Wang

    (Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan 333, Taiwan)

  • Pei-Kwei Tsay

    (Department of Public Health and Center of Biostatistics, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan)

Abstract

Dengue fever (DF) is a mosquito-borne disease prevalent in the tropics (e.g., sub-Saharan Africa, Asia, and Central and South America) and a common cause of febrile illness in travelers. The high incidence of imported DF in Taiwan has led to a domestic outbreak. This study explored the risk factors associated with individuals given diagnoses of imported DF at international airports in Taiwan. The results may serve as a reference for DF prevention. In this retrospective study, data from the symptom notification system database of the Taiwan Centers for Disease Control (TCDC) were used. These data concerned travelers who returned to Taiwan from DF-endemic areas with suspected DF symptoms. The epidemiological characteristics of the cases were analyzed, and 28 variables related to DF infection were included in the multivariate logistic regression analysis. In 2018–2019, there were 8656 cases (451 positive and 8205 negative cases). The results revealed DF symptoms and a 16–30-day stay in endemic areas to be independent risk factors and the presence of three respiratory symptoms and <10 days of short-term travel to be protective factors. These results may enable the accurate assessment of symptoms in travelers with DF as well as the risk factors associated with imported DF, lowering the risk of indigenous DF outbreaks caused by imported DF.

Suggested Citation

  • Ying-Yun Wang & Pei-Kwei Tsay, 2022. "Risk Factors Associated with Passengers with Imported Dengue Fever at International Airports in Taiwan," IJERPH, MDPI, vol. 19(17), pages 1-9, September.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:17:p:11096-:d:906723
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    References listed on IDEAS

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    1. Yu-Ching Chou & Chi-Jeng Hsieh & Chun-An Cheng & Ding-Chung Wu & Wen-Chih Wu & Fu-Huang Lin & Chia-Peng Yu, 2020. "Epidemiologic Characteristics of Imported and Domestic Chikungunya Cases in Taiwan: A 13-Year Retrospective Study," IJERPH, MDPI, vol. 17(10), pages 1-12, May.
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