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Seasonal Patterns of Japanese Encephalitis and Associated Meteorological Factors in Taiwan.
Lin, Che-Liang; Chang, Hsiao-Ling; Lin, Chuan-Yao; Chen, Kow-Tong.
Afiliación
  • Lin CL; Internal Medicine Chest Division, Chi-Mei Medical Center, Liouying, Tainan 736, Taiwan. lilytang19@gmail.com.
  • Chang HL; Division of Infection Control and Biosafety, Centers for Disease Control, Ministry of Health and Welfare, Taipei 104, Taiwan. hlchang@cdc.gov.tw.
  • Lin CY; School of Public Health, National Defense Medical Center, National Defense University, Taipei 117, Taiwan. hlchang@cdc.gov.tw.
  • Chen KT; Research Center for Environmental Changes, Academia Sinica, 115, Taiwan. yao435@gate.sinica.edu.tw.
Int J Environ Res Public Health ; 14(11)2017 10 29.
Article en En | MEDLINE | ID: mdl-29109371
The persistent transmission of Japanese encephalitis virus (JEV) in Taiwan necessitates exploring the risk factors of occurrence of Japanese encephalitis (JE). The purpose of this study was to assess the relationship between meteorological factors and the incidence of JE in Taiwan. We collected data for cases of JE reported to the Taiwan Centers for Disease Control (Taiwan CDC) from 2000 to 2014. Meteorological data were obtained from the Taiwan Central Weather Bureau. The relationships between weather variability and the incidence of JE in Taiwan were determined via Poisson regression analysis and a case-crossover methodology. During the 15-year study period, a total of 379 cases of JE were reported. The incidence of JE showed significant seasonality, with the majority of cases occurring in summertime (for oscillation, p < 0.001). The number of JE cases started to increase at temperatures of 22 °C (r² = 0.88, p < 0.001). Similarly, the number of JE cases began to increase at a relative humidity of 70-74% (r² = 0.75, p < 0.005). The number of JE cases was positively associated with mean temperature and relative humidity in the period preceding the infection. In conclusion, the occurrence of JE is significantly associated with increasing temperature and relative humidity in Taiwan. Therefore, these factors could be regarded as warning signals indicating the need to implement preventive measures.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Estaciones del Año / Factores de Edad / Encefalitis Japonesa / Transmisión de Enfermedad Infecciosa / Geografía / Conceptos Meteorológicos Tipo de estudio: Diagnostic_studies / Etiology_studies / Incidence_studies / Prognostic_studies / Risk_factors_studies Límite: Adolescent / Adult / Aged / Aged80 / Child / Child, preschool / Female / Humans / Infant / Male País/Región como asunto: Asia Idioma: En Revista: Int J Environ Res Public Health Año: 2017 Tipo del documento: Article País de afiliación: Taiwán Pais de publicación: Suiza
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Estaciones del Año / Factores de Edad / Encefalitis Japonesa / Transmisión de Enfermedad Infecciosa / Geografía / Conceptos Meteorológicos Tipo de estudio: Diagnostic_studies / Etiology_studies / Incidence_studies / Prognostic_studies / Risk_factors_studies Límite: Adolescent / Adult / Aged / Aged80 / Child / Child, preschool / Female / Humans / Infant / Male País/Región como asunto: Asia Idioma: En Revista: Int J Environ Res Public Health Año: 2017 Tipo del documento: Article País de afiliación: Taiwán Pais de publicación: Suiza