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Japanese Encephalitis
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Vaccine-Preventable Diseases

Japanese Encephalitis

Japanese encephalitis is a virus. It is transmitted by the bites of infected mosquitoes.
Japanese encephalitis is the most common vaccine-preventable cause of encephalitis in Asia.
Most infections are mild (e.g., fever and headache) or without apparent symptoms. However, about 1 in 200 infections results in severe disease characterized by rapid onset of high fever, headache, neck stiffness, disorientation, coma, seizures, spastic paralysis, and death.
Vaccines are available to prevent Japanese encephalitis.
J. Encephalitis Vaccine Schedule
JE vaccine is recommended for children (2 months of age and older) and adults at increased risk of Japanese encephalitis during travel to Asia. The vaccine is given as a 2-dose series, with the doses spaced 28 days apart. The second dose should be given at least 1 week before travel. A booster dose of JE vaccine may be given to anyone who was vaccinated more than one year ago and is still at risk of exposure, or might be re-exposed.
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Trusted Websites
Japanese Encephalitis
Japanese Encephalitis
Introduction, fact sheet, Q&As, map, and vaccination information from CDC
>> destinations
Destinations
Destinations
Use the map or scroll down to the A-Z list of countries below to select a destination and get travel health information for that location, including vaccination requirements
A Look at Each Vaccine: JE Vaccine
A Look at Each Vaccine: JE Vaccine
Questions and answers about the disease and vaccines from Vaccine Education Center at the Children's Hospital of Philadelphia (CHOP)
Global Travel Health Directory
Global Travel Health Directory
Provides information on travel clinic locations in your area and more from the International Society of Travel Medicine
Travel Immunization
Travel Immunization
Steps to take before you travel internationally, from the American College of Physicians
View all diseases and vaccines
Video Library
Video: Vaccination Café: Do you visit your doctor before traveling?
Vaccination Café: Do you visit your doctor before traveling?: Would you see a doctor before taking an exotic holiday or business trip? We asked people in a busy train station for their views on travel and health.
>> view all J. Encephalitis videos
Personal Testimonies
Stories of suffering and loss
No J. Encephalitis stories currently available
>> view all personal testimonies
More J. Encephalitis Information
International Certificate of Vaccination or Prophylaxis
International Certificate of Vaccination or Prophylaxis
Download certificate for free from the WHO website
Travelers' Health Website: Japanese Encephalitis
Travelers' Health Website: Japanese Encephalitis
Chapter from CDC's Yellow Book
Map of Japanese Encephalitis Risk
Map of Japanese Encephalitis Risk
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This page was reviewed on November 14, 2013
Immunization Action Coalition   •  Saint Paul, MN
tel 651-647-9009  •  fax 651-647-9131
 
The Immunization Action Coalition (IAC), a non-profit organization, works to increase immunization rates and prevent disease by creating and distributing educational materials for health professionals and the public that enhance the delivery of safe and effective immunization services. IAC also facilitates communication about the safety, efficacy, and use of vaccines within the broad immunization community of patients, parents, healthcare organizations, and government health agencies.