These reactions can begin soon after getting the vaccine and may last for several days. It is important to stay in the clinic for 15 minutes after getting any vaccine because there is an extremely rare possibility, less than 1 in a million, of a life-threatening allergic reaction called anaphylaxis. This may include hives, difficulty breathing, or swelling of the throat, tongue or lips.
Should this reaction occur, your health care provider is prepared to treat it. Emergency treatment includes administration of epinephrine adrenaline and transfer by ambulance to the nearest emergency department. If symptoms develop after you leave the clinic, call or the local emergency number. Japanese encephalitis is a serious and life-threatening infection caused by a virus. Symptoms appear 5 to 15 days after infection. About 1 in infected with the virus will develop encephalitis, which is an inflammation or swelling of the brain.
More than half of those will die or have permanent brain damage. Infection during the first 6 months of pregnancy may result in infection of the baby and miscarriage. In its early stages, Japanese encephalitis is similar to a flu-like illness. Symptoms may include headache, fever, nausea, vomiting, diarrhea, confusion and other changes in behavior. Currently, there is no drug treatment for the disease.
Japanese encephalitis virus spreads to people from bites from infected mosquitoes that live in Southern and Eastern Asia and the Western Pacific.
The virus cannot be spread from person to person, or by mosquitoes in Canada. It is recommended that parents or guardians and their children discuss consent for immunization. Children under the age of 19, who are able to understand the benefits and possible reactions for each vaccine and the risk of not getting immunized, can legally consent to or refuse immunizations. For a list of travel clinics in B. Skip to main content. Travel Series. Last Updated:. What are experts recommendation about JE vaccine?
However, the risk varies according to season, destination, duration of travel and activities. Vaccination is recommended for travellers with extensive outdoor exposure such as camping and hiking during the transmission season, particularly in endemic countries or areas where farming involves irrigation by flooding.
They divide into 2 categories;. This includes long-term travelers, recurrent travelers, or expatriates who will be based in urban areas but are likely to visit endemic rural or agricultural areas during a high-risk period of JE virus transmission. Examples of higher-risk activities or itineraries include 1 spending substantial time outdoors in rural or agricultural areas, especially during the evening or night; 2 participating in extensive outdoor activities such as camping, hiking, trekking, biking, fishing, hunting, or farming ; and 3 staying in accommodations without air conditioning, screens, or bed nets.
JE vaccine is not recommended for short-term travelers whose visit will be restricted to urban areas or times outside of a well-defined JEV transmission season.
International Health What is our recommendation regarding JE vaccine? Firstly, our doctor will assess the risk for each travelers. We will ask about the age, sex, nationality, duration of stay, season of travel, previous experience in Asia, planned activity, etc. We will use this information to estimate the risk and will inform and discuss with the travelers. Good two-way communication is required in order to give a good and sound recommendation.
For example: In very low risk travelers, such as a businessman who will attend 3-days meeting in Bangkok, we will not recommend JE vaccine.
On the other hand, we will strongly recommend JE vaccine in backpackers who plan to travel in Southeast Asia for 2 months and will spent most of the time in rural area. Generally speaking, we will recommend JE vaccine for travelers in Southeast Asia who will stay here more than wks, especially who will travel in rural area and may expose with mosquito. We do not pay special concern to seasonality, since transmission of JE in Southeast Asia could occur all year round. Which JE vaccine should I get?
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You can use these HTML tags. Email address:. Which vaccine will you recommend for traveler to Thailand? Is it necessary? What should I do if I have fever, am I having malaria or dengue? What should I do? Should I worry? Be a responsible traveler! People aged 18 to 64 may be given the second dose 7 days after the first.
This is called an accelerated schedule. Both doses of the vaccine should be completed at least 7 days before you visit an area where there's a risk of Japanese encephalitis. If you continue to be at risk of infection, a booster dose of the vaccine should be given 12 to 24 months after you're first vaccinated. More serious side effects, such as a raised, itchy red rash urticaria or hives , swelling of the face and difficulty breathing, are rare.
If you develop any worrying symptoms after being vaccinated, contact your GP as soon as possible or call NHS for advice. Most people can have the Japanese encephalitis vaccination safely, but you should tell the doctor or nurse before being vaccinated if you have a high temperature fever , or if you're pregnant or breastfeeding. It may also not be recommended if you're pregnant or breastfeeding as there's a theoretical risk of problems resulting from the vaccine being passed to your baby.
The Japanese encephalitis vaccine is not usually recommended for children less than 2 months old because it's unclear how safe and effective it is for this age group.
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