Situation and vulnerability
The majority of infections are silent or mild. The risk of travel depends in particular on its duration, season and activities in rural areas.
Signs and limits of their interpretation
A severe form includes high fever, headache, disorientation or seizures. Neurological sequelae may persist after encephalitis.
Diagnosis and monitoring
A suspicion combines the history of the stay and clinical examination. Confirmation uses specialized tests, including antibodies in cerebrospinal fluid or blood.
Check these benchmarks in the WHO reference →
Prevention and care
Discuss vaccination before an exhibiting stay and protect yourself from injections. In case of confusion, convulsions or neck stiffness, seek urgent medical assistance.
Practical issues
Is there a curative antiviral medication?
There is no specific curative antiviral described by WHO. Care supports vital functions; follow-up and rehabilitation may be necessary after a neurological form.
Preparing for an exchange with a professional
- Rural areas and length of stay
- Season, accommodation and outdoor activities
- Vaccination dates and symptoms
Bring the full minutes and dates. This information facilitates evaluation; its collection must not delay an urgent appeal.
Image generated by artificial intelligence. AI illustration; it does not depict a disease, biological agent or diagnosis.
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Related fact sheets
These sheets share ways or contexts of exhibition in our catalogue. This reconciliation does not establish a differential diagnosis.
- Chikungunya
- Dengue
- Tick-borne encephalitis
- Powassan Encephalitis
- Eastern equine encephalitis
- Oropouche virus disease
Compare Japanese encephalitis with related plugs →
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