Japanese Encephalitis in Hong Kong Situation Update, Prevention and Control Strategy
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چکیده
2. JE is an acute viral infection of the central nervous system caused by the JE virus, a flavivirus. The infection usually does not cause clinical symptoms, with a case to infection ratio of 1:300. It is endemic in Mainland China, Japan, Korea, Taiwan, Philippines and some other South-East Asian countries. WHO estimates there are approximately 50 000 clinical cases with neurological involvement in Asia per year. The annual incidence of clinical infection with neurological involvement in endemic areas ranges from 10-100 per 100 000 population. Children suffer the highest attack rates in endemic areas and most fatalities and residual sequelae occur in children aged 10 or below.
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Japanese encephalitis in Hong Kong.
OBJECTIVES To review past and present patterns of occurrence of Japanese encephalitis in Hong Kong and across Asia. A better understanding of the disease should facilitate the formulation of an effective strategic plan to prevent a future epidemic. DATA SOURCES Report of local cases, and literature search of MEDLINE up to November 2004. STUDY SELECTION Literature and data related to Japanes...
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