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Journal articles

Litchi-associated acute encephalitis in children, Northern Vietnam, 2004-2009.

Abstract : Since the end of the 1990s, unexplained outbreaks of acute encephalitis in children coinciding with litchi harvesting (May-July) have been documented in the Bac Giang Province in northern Vietnam. A retrospective ecologic analysis of data for 2004-2009 involving environmental, agronomic, and climatic factors was conducted to investigate the suspected association between the outbreaks and litchi harvesting. The clinical, biological, and immunologic characteristics of the patients suggested a viral etiology. The ecologic study revealed an independent association between litchi plantation surface proportion and acute encephalitis incidence: Incidence rate ratios were 1.52 (95% CI 0.90-2.57), 2.94 (95% CI 1.88-4.60), and 2.76 (95% CI 1.76-4.32) for second, third, and fourth quartiles, respectively, compared with the lowest quartile. This ecologic study confirmed the suspected association between incidence of acute encephalitis and litchi plantations and should be followed by other studies to identify the causative agent for this syndrome.
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Contributor : Paul Brey Connect in order to contact the contributor
Submitted on : Thursday, June 6, 2013 - 11:21:18 AM
Last modification on : Wednesday, June 8, 2022 - 3:36:02 PM

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Juliette Paireau, Nguyen Hai Tuan, Rémi Lefrançois, Matthew R Buckwalter, Ngu Duy Nghia, et al.. Litchi-associated acute encephalitis in children, Northern Vietnam, 2004-2009.. Emerging Infectious Diseases, Centers for Disease Control and Prevention, 2012, 18 (11), pp.1817-24. ⟨10.3201/eid1811.111761⟩. ⟨pasteur-00830992⟩



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