Japanese Encephalitis

Japanese encephalitis is a virus that can cause inflammation of the brain. Most cases occur in Asia – it is not found in Africa or Central or South America. The infection is quite rare, but the serious form has a fatality rate of 30%. There is a major outbreak of Japanese encephalitis every 2-15 years.

Symptoms

Sudden fever, with vomiting and neck stiffness, sometimes leading to confusion, agitation and coma.

How do you catch Japanese encephalitis?
The disease is spread by infected mosquitoes, which bite between dusk and dawn. Japanese encephalitis mainly occurs in rural agricultural areas.

Incubation period
5 – 15 days

Diagnosis

Diagnosis is confirmed by blood tests.

Prevention
Japanese encephalitis can be prevented by taking steps to avoid mosquito bites. A vaccine is available prior to travel following assessment by a travel nurse.

Treatment
There is no cure for Japanese encephalitis. Supportive treatment aims to relieve symptoms and manage any complications.

Book Appointment →

Vaccination options

 

A licensed vaccine is available for adults and children.

 

Level of protection: ~96%

 

Protection duration: 1-2 years.

 

How is it given: 2 injections preferably @ 0 and 28 days. Rapid schedule may be considered.

 

Ideally start: 4-6 weeks before travel.

 

View our prices

Did you know?

  • Japanese encephalitis is also carried by pigs and wading birds
  • High risk activities for Japanese encephalitis include camping, cycling and field work
  • Disease transmission can occur througout the year but the risk is higher during the rainy season