Japanese Encephalitis Vaccine
What is Japanese encephalitis?
Japanese encephalitis (JE) is a serious infection caused by the Japanese encephalitis virus.
JE vaccine can help protect travelers from JE disease.
Who should get JE vaccine and when?
Japanese encephalitis vaccine is approved for people 2 months of age and older. It is recommended for travelers to Asia who:
Laboratory workers at risk for exposure to JE virus should also be vaccinated. The vaccine is given as a 2-dose series, with the doses spaced 28 days apart. The second dose should be given at least a week before travel. Children younger than 3 years of age get a smaller dose than patients who are 3 or older.
A booster dose might be recommended for anyone 17 or older who was vaccinated more than a year ago and is still at risk of exposure. There is no information yet on the need for a booster dose for children.
NOTE:The best way to prevent JE is to avoid mosquito bites. Your doctor can advise you.
Who should not get JE vaccine or should wait?
What are the risks from JE vaccine?
With a vaccine, like any medicine, there is a chance of side effects. When side effects happen, they are usually mild and go away on their own.
Moderate or Severe problems
Problems that can happen after any vaccine
The safety of vaccines is always being monitored. For more information, visit:http://www.cdc.gov/vaccinesafety/.
What if there is a serious reaction?
What should I look for?
What should I do?
VAERS is only for reporting reactions. They do not give medical advice.
How can I learn more?
Japanese Encephalitis Vaccine Information Statement. U.S. Department of Health and Human Services/Centers for Disease Control and Prevention National Immunization Program. 01/24/2014.
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