Japanese Encephalitis in a U.S. Traveler Returning from Thailand, 2004

Japanese encephalitis (JE) virus is a mosquito-borne flavivirus that is closely related to the West Nile and St. Louis encephalitis viruses endemic to North America. JE virus is a leading cause of viral encephalitis in Asia but is rarely reported among travelers to countries where JE is endemic. Thi...

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Bibliographic Details
Published in:MMWR. Morbidity and mortality weekly report 2005-02, Vol.54 (5), p.123-125
Main Authors: Hashisaki, P, Hsu, V, Grandjean, M, DeBolt, C, Duchin, J, Kidoguchi, L, Leslie, M, Hofmann, J, Marfin, A, Campbell, G
Format: Article
Language:English
Subjects:
Adult
Case studies
Disease transmission
Encephalitis
Encephalitis, Japanese - diagnosis
Encephalitis, Japanese - epidemiology
Female
Flavivirus
Humans
International travel
Japanese encephalitis
Japanese encephalitis vaccines
Swine
Thailand
Travel
Travelers
United States - epidemiology
Vaccination
Viruses
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Description
Summary:Japanese encephalitis (JE) virus is a mosquito-borne flavivirus that is closely related to the West Nile and St. Louis encephalitis viruses endemic to North America. JE virus is a leading cause of viral encephalitis in Asia but is rarely reported among travelers to countries where JE is endemic. This report describes a case of an unvaccinated Washington resident who had JE after traveling to northern Thailand. The Advisory Committee on Immunization Practices (ACIP) recommends JE vaccine for travelers to JE-endemic areas of Asia during the transmission season, especially those spending > or =1 month in those areas and whose travel itineraries include rural settings. JE vaccine should also be considered for travelers visiting areas with epidemic transmission or those engaging in extensive outdoor activity in rural settings in areas where JE is endemic, regardless of the duration of their visit. In addition, health-care providers and organized international travel programs should ensure that travelers obtain appropriate preventive health guidance before travel.
ISSN:0149-2195
1545-861X