Japanese Encephalitis Vaccine
A travel vaccine for certain travelers to parts of Asia and the Western Pacific.
What is the Japanese Encephalitis vaccine?
Japanese encephalitis, or JE, is a mosquito-borne viral disease found in parts of Asia and the Western Pacific. The vaccine is recommended for certain travelers, especially those spending longer periods in risk areas, traveling during transmission season, or expecting outdoor or rural exposure.
Key Destinations
Parts of East Asia, Southeast Asia, and the Western Pacific
Timing
Complete the series at least 1 week before travel before travel
Status
Recommended for certain travelers based on destination, duration, season, and activities
About the Japanese Encephalitis Vaccine
Japanese encephalitis, or JE, is a mosquito-borne viral disease found in parts of Asia and the Western Pacific. The vaccine is recommended for certain travelers, especially those spending longer periods in risk areas, traveling during transmission season, or expecting outdoor or rural exposure.
Who should get this vaccine?
- Travelers spending 1 month or more in areas where JE risk exists
- Travelers with extensive outdoor exposure, especially in rural or agricultural areas
- People visiting during JE transmission season
- Frequent travelers to risk areas or people moving to live there
- Laboratory workers who handle JE virus
Side effects & contraindications
Common side effects
- Pain, tenderness, redness, or swelling at the injection site
- Headache
- Muscle aches
- Fatigue
Side effects are usually mild and often go away within a few days.
Rare side effects
- Severe allergic reaction, including anaphylaxis
Who should NOT get this vaccine
- Severe allergic reaction to a previous Japanese encephalitis vaccine dose or to a vaccine component
- People who are currently moderately or severely ill may need to wait until they recover
Always inform your pharmacist of any allergies, medical conditions, or medications before receiving the Japanese Encephalitis vaccine.
Dosing Schedule
The standard schedule is 2 doses given 28 days apart. The full series should be completed at least 1 week before possible exposure during travel. A booster dose may be considered if you remain at risk or expect future re-exposure.
Forms & Documents
Vaccine consent forms and Vaccine Information Statements (VIS) are provided at the pharmacy before vaccination.
Destinations
Japanese encephalitis vaccine may be recommended for travel to parts of the following regions and countries, depending on itinerary, season, and activities:
When to get vaccinated
Timing: Complete the series at least 1 week before travel
The standard series is 2 doses given 28 days apart, and the final dose should be completed at least 1 week before possible exposure.
Required vs. Recommended
Recommended for certain travelers based on destination, duration, season, and activities. It is not required for entry to any country.
After your vaccination
Aftercare tips
- Apply a cool compress to the injection site if it feels sore
- Move your arm throughout the day to help reduce stiffness
- Stay hydrated and rest if you feel tired
- Take over-the-counter pain relievers such as acetaminophen or ibuprofen if needed
- Visit our contact page if you develop severe symptoms or have concerns that do not improve after a few days
Cost & coverage
Travel vaccines may not be covered by every insurance plan. Visit our contact page and we can help review current pricing and check your benefits when applicable.
Contact us to verify your coverageJapanese Encephalitis FAQs
Common questions about the Japanese Encephalitis vaccine for travelers.
Still have questions?
Contact usIt is mainly recommended for people spending longer periods in risk areas, frequent travelers, people moving to live in risk areas, and some shorter-term travelers with rural, outdoor, or seasonal exposure. It is usually not recommended for short urban-only trips with very low risk.
Schedule a Travel Health Consultation
Share your travel plans through our contact page, and our team will help recommend the right vaccines for your trip.
Call us
Contact Us
Phone
(951) 406-1521Office hours
Mon–Fri: 9:00 AM - 6:00 PM
Sat: 10:00 AM - 2:00 PM
Sun: Closed
Location
10465 Arlington Ave., Suite 300
Riverside, CA 92505
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