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DAILY NEWS ANALYSIS

  • 20 February, 2021

  • 4 Min Read

Acute Encephalitis Syndrome

Acute Encephalitis Syndrome

  • A child has recently been diagnosed with Acute Encephalitis Syndrome (AES) in Bihar, the first case for this year.
  • AES, locally called chamki bukhar (fever causing seizure), usually surfaces during summer in the flood-prone districts of north Bihar.
  • It is characterized by acute-onset of fever and a change in mental status (mental confusion, disorientation, delirium, or coma) along with new-onset of seizures in a person of any age at any time of the year.
  • The disease most commonly affects children and young adults .
  • Viruses are the main causative agents in AES cases, although other sources such as bacteria have also been reported.
  • Japanese encephalitis virus is the major cause of AES in India (5%-35%).
  • Influenza A virus, West Nile virus, Chandipura virus, mumps, measles, dengue, Nipah, Zika are the other causes of AES in India.
  • Due to the wide range of causal agents and the rapid rate of neurological impairment, clinicians face the challenge of a small window period between diagnosis and treatment.

Widely reported areas - Assam, Bihar, Jharkhand, Karnataka, Manipur, Meghalaya, Tripura, Tamil Nadu, UP.

Source: IE


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05 Apr,2026

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