Disease and Immunization Facts
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Japanese Encephalitis
What Is It?
A virus that is spread by the bite of an infected mosquito causes Japanese encephalitis. This disease affects the brain causing confusion and may lead to coma and death. In some countries, the Japanese encephalitis transmission season lasts year around, while In other countries, transmission is seasonal.
Where Is It?
Japanese encephalitis is transmitted by mosquitoes in various areas of Asia (from India east to Korea, Japan and Indonesia)
Prevention Tips
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Depending on your destination you may benefit from Japanese encephalitis vaccination. Talk to your Travel Clinic to determine if vaccination is right for you
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Always practice personal precautions against mosquito bites (especially between dusk and dawn)
Travelers can reduce their risk of acquiring Japanese encephalitis by:
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remaining in well-screened or air conditioned areas when possible
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wearing clothing that adequately covers the arms and legs
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applying DEET-containing insect repellent to both skin and clothing
Available Immunizations
Vaccination for Japanese encephalitis is recommended if you are traveling to a country during a Japanese encephalitis transmission season and you are planning extensive outdoor activities in rural areas for any length of time, or you plan to travel for 30 days or more to a country during a Japanese encephalitis transmission season, regardless of your planned activities.
