Who should take IXIARO®?

IXIARO® is a vaccine to help prevent Japanese Encephalitis (JE). IXIARO® is indicated for active immunization against Japanese Encephalitis for persons 2 months of age and older.
As with any other vaccine, vaccination with IXIARO® may not result in protection in all cases. IXIARO® will not protect against encephalitis caused by other micro-organisms.

Who should not take IXIARO®?

Individuals with the following conditions should discuss vaccination with their physician, who will be able to advise on safe vaccination or alternative preventative measures to avoid infection with JEV:

  • Pregnant or breast-feeding women
  • Persons with bleeding disorder, or abnormal bruising
  • Persons with fever (temperature above 37.8°C)
  • Immunosuppressed persons or individuals on cancer treatment

Can IXIARO® cause any side effects?

The side effects of IXIARO® are usually mild.

The most commonly reported side effects in adults include headache, muscle pain, injection site pain/tenderness and tiredness.
The most commonly reported side effects in children and adolescents include fever, diarrhea, influenza-like illness, irritability and injection site reactions (pain, tenderness, redness).

How else can I protect myself against Japanese Encephalitis?

All travellers to Japanese Encephalitis endemic areas should take precautions to avoid mosquito bites. Prevention strategies include use of insect repellent, wearing proper clothing and reducing exposure to mosquitos during peak biting hours.

Does Japanese Encephalitis only occur in Japan?

No, JE is found in more 24 different countries across Asia.

Am I at risk for Japanese Encephalitis if I only stay in cities?

Although the risk of infection with JE virus may be lower in cities, cases of JE have been reported in urban and peri-urban regions.

Should I worry about Japanese Encephalitis if I’m only staying in Asia for less than 1 month?

Data show that more than one-third of travellers who developed JE were short-term travellers to Asia (less than 1 month).

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