Japanese Encephalitis

Vaccinations

About Japanese Encephalitis

What is Japanese Encephalitis?

It is a disease caused by the mosquito-borne Japanese encephalitis virus. Severe rigors mark the onset of this disease in humans. Fever, headache and malaise are other non-specific symptoms of this disease which may last for a period of between 1 and 6 days. Encephalitis manifests with high grade fever, convulsions leading to coma etc. sometimes leading to death.

How is Japanese Encephalitis transmitted?

It is a disease caused by the mosquito-borne Japanese encephalitis virus. Severe rigors mark the onset of this disease in humans. Fever, headache and malaise are other non-specific symptoms of this disease which may last for a period of between 1 and 6 days.  Encephalitis manifests with high grade fever, convulsions leading to coma etc. sometimes leading to death.

What is Japanese Encephalitis?

Case fatality is around 20 to 40 percent. People who are travelling to rural areas especially during transmission season are at risk and are advised to take the vaccination.

Points to Note:

Laboratory diagnostic tests are not perfect and are not 100% accurate

  • We do not have a test for every disease or virus but most of those pathogens that are of public health importance or have long term implications on your health can be tested
  • No one single test can be used with absolute certainty to diagnose a disease. Often, we depend on a combination of tests to make a diagnosis
  • Sometimes, we have to resort to trial treatment or empiric treatment if investigative tests are inconclusive. If the patient makes a therapeutic response and feels better, we have achieved our goal
  • In PUO, we are looking for treatable causes and to rule out sinister causes eg. malignancies so that we do not miss opportunities for early treatment or intervention

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