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Study gives insight into Japanese Encephalitis mortality

A one-year survey of 380 patients with proven Japanese Encephalitis (JE) in Southern Vietnam has recently been published and enlarges our understanding of the mortality and monthly incidence of the disease in that part of Asia.

One-third of the children presented with acute limb paralysis or meningitis or both.

Monthly admissions with proven JE were highest in June and September and lowest in January but occurred all year round, confirming that although the months April to September are the highest risk accounting for 82% of admissions, 18% still occurred in the remaining months.


Solomon T, Thao TT, Lewthwaite P et al. A cohort study to assess the new WHO Japanese encephalitis surveillance standards. Bull WHO 2008;86:178-86

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