Risk factors of enterovirus 71 infection and associated hand, foot, and mouth disease/herpangina in children during an epidemic in Taiwan.

Luan Yin Chang, Chwan Chuen King, Kuang Hung Hsu, Hsiao Chen Ning, Kuo Chien Tsao, Chung Chen Li, Yhu Chering Huang, Shin Ru Shih, Shu Ti Chiou, Po Yen Chen, Hong Jen Chang, Tzou Yien Lin

研究成果: 雜誌貢獻文章

196 引文 斯高帕斯(Scopus)

摘要

OBJECTIVE: In 1998, an enterovirus 71 (EV71) epidemic in Taiwan was associated with hand, foot, and mouth disease (HFMD)/herpangina and involved 78 fatal cases. We measured EV71 seroprevalence rates before and after the epidemic and investigated risk factors associated with EV71 infection and illness. METHODS: Neutralizing antibodies to EV71 were assayed for 539 people before the epidemic and 4619 people of similar ages after the epidemic. Questionnaires, which were completed during household interviews after the epidemic, solicited demographic variables, exposure history, and clinical manifestations. RESULTS: A total of 129 106 cases of HFMD were reported during the epidemic. Age-specific pre-epidemic EV71 seroprevalence rates were inversely related to age-specific periepidemic mortality rates (r = -0.82) or severe case rates (r = -0.93). Higher postepidemic EV71 seropositive rates among children who were younger than 3 years positively correlated with higher mortality rates in different areas (r = 0.88). After the epidemic, 51 (56%) of 91 younger siblings of elder siblings who were EV71-seropositive were EV71-seropositive; otherwise, 2.2% (4 of 186) of younger siblings were EV71-seropositive (matched odds ratio [OR]: 10; 95% confidence interval [CI]: 3.4-29). Stepwise multiple logistic regression revealed other factors associated with EV71 infection to be older age (adjusted OR: 2.5; 95% CI: 1.9-3.4), attendance at kindergartens/child care centers (adjusted OR: 1.8; 95% CI: 1.3-2.5), contact with HFMD/herpangina (adjusted OR: 1.6; 95% CI: 1.2-2.1), greater number of children in a family (adjusted OR: 1.4; 95% CI: 1.1-1.7), and rural residence (adjusted OR: 1.4; 95% CI: 1.2-1.6). Twenty-nine percent of preschool children who were infected with EV71 developed HFMD/herpangina. Younger age and contact with HFMD/herpangina were significant factors for the development of EV71-related HFMD/herpangina in these children. CONCLUSIONS: An increased incidence of EV71 infection in young children occurred more often in geographic areas with increased mortality rates. Intrafamilial and kindergarten transmissions among preschool children were major modes of disease transmission during the widespread EV71 epidemic in Taiwan in 1998.
原文英語
期刊Pediatrics
109
發行號6
出版狀態已發佈 - 六月 2002
對外發佈Yes

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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    Chang, L. Y., King, C. C., Hsu, K. H., Ning, H. C., Tsao, K. C., Li, C. C., Huang, Y. C., Shih, S. R., Chiou, S. T., Chen, P. Y., Chang, H. J., & Lin, T. Y. (2002). Risk factors of enterovirus 71 infection and associated hand, foot, and mouth disease/herpangina in children during an epidemic in Taiwan. Pediatrics, 109(6).