Japanese encephalitis vaccination

The vaccine Ixiaro® protects against Japanese encephalitis. Children between 2 months and 3 years old may receive half a dose.

When is vaccination recommended?

• If you often stay in a high-risk area e.g. more than a month, or for a longer period of time. 

• If in a risk area you often stay outdoors in the countryside in the evening.

Vaccination schedule

• 2 doses with a 4-week interval.

• Rapid schedule: If there is not enough time, the interval can be shortened to 1 week for adults between 18 and 65 years old.

• Boosters:

  • Revaccination takes place after 12 to 24 months, or after 12 months in 65+

  • In case of ongoing exposure, a  second booster can be offered 10 years after the last dose

• Children from 2 months to 3 years old receive half a dose.

Duration of protection

The duration of protection after the third dose is at least 10 years.

Additional information

• In case of stock shortages, or if you do not have enough time to get vaccinated in Belgium, you can look here to see if a vaccine against Japanese encephalitis is available at your destination.