Japanese Encephalitis Vaccine

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Japanese Encephalitis Vaccine
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• Japanese encephalitis can be a serious illness
  causing inflammation of the brain. You should
  consider being immunised against Japanese
  encephalitis before you travel to certain
  countries in Southeast Asia and the Far East.
• Check with your practice nurse at least 6-8 weeks
  before you travel to see if you should have this
  immunisation.

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What is Japanese encephalitis?

• Japanese encephalitis is caused by a virus. It is
  passed to humans by the bite of infected
  mosquitoes. It cannot be transmitted by other
  humans.
• Japanese encephalitis is usually a mild illness.
  In many cases there are no symptoms. However, in
  a small number of cases (about 1 in 200 infected
  people) the illness is much more serious. In
  these people, the infection may start with fever,
  tiredness, headache, vomiting, and sometimes
  confusion and agitation. This may progress to
  encephalitis (inflammation of the brain). This
  can cause permanent brain damage and is fatal in
  some cases.

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• Japanese encephalitis occurs throughout Southeast
  Asia and the Far East. It is mainly a problem in
  rural farming areas. It occurs more commonly in
  the rainy season (roughly May-September) when the
  mosquitoes are most active.
• Your doctor or practice nurse can advise if you
  should have this immunisation for your travel
  destination.
• Generally, it is advised for travelers who stay
  for a month or longer during the transmission
  season in rural areas of certain countries in
  Southeast Asia and the Far East. It may be
  advised for shorter trips to these countries if
  you are at particular high risk. For example, if
  you travel to areas where rice and pig farming
  co-exist or if you do a lot of outdoor activities.

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The vaccine schedule

• The vaccine stimulates your body to make
  antibodies against the virus. These antibodies
  protect you from illness should you become
  infected with this virus.
• In May 2009, a new Japanese encephalitis vaccine,
  Ixiaro, became available. This is the vaccine
  recommended in the UK. It is licensed for use in
  infants aged 2 months, and older. This is usually
  given as two injections the second injection is
  given 28 days after the first. Full immunity
  takes up to a month to develop. 
• The course of injections should be completed at
  least one week before departure. So, you should
  see your practice nurse well in advance of your
  travel date. A booster dose should then be given
  within the second year after the initial course
  of two injections.

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Are there any possible side-effects from the
vaccine?

• Mild pain and redness occur at the site of
  injection in some people.
• The most common side-effects after receiving the
  Ixiaro vaccine are headache and muscle aches.
• Other less common reactions with the Ixiaro
  vaccine include a flu-like illness, fever and
  fatigue.

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Japanese Encephalitis at TravelDoc

• IXIARO vaccine costs only 79 per dose at
  TravelDoc.
• The primary schedule consists of two vaccines 28
  days apart.
• An accelerated schedule for adults can be given 7
  days apart.
• The vaccine is not live and is therefore easily
  tolerated.
• There is no cure for Japanese Encephalitis.
• It should be considered for travellers to South
  East Asia, for example India, Thailand, Vietnam,
  Cambodia, Laos, China, Indonesia, Bali, Malaysia,
  Phillipines.

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