Nipah Virus Symptoms, Causes & Preventions

Nipah Virus Information Center

Comprehensive, up-to-date information about the Nipah virus, its symptoms, transmission, prevention, and the latest outbreak updates from India and around the world.

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Nipah Virus Overview

Symptoms & Effects

  • Fever and headache
  • Drowsiness and confusion
  • Respiratory issues
  • Encephalitis (brain swelling)
  • Coma within 24-48 hours
Read more about symptoms →

Survival & Fatality

  • Fatality rate: 40% to 75%
  • Higher mortality in Bangladesh outbreaks
  • Survivors may have long-term neurological issues
  • No known cure, supportive care only
Read more about survival rates →

Transmission

  • Fruit bats (natural host)
  • Pigs (intermediate host)
  • Human-to-human via body fluids
  • Contaminated food, especially raw date palm sap
Read more about transmission →

Recent Outbreak Alert: Kerala, India (2025)

The Indian state of Kerala has reported new Nipah virus cases with a containment zone established in Kozhikode district. Health authorities are implementing strict protocols to prevent further spread. This marks the fourth outbreak in Kerala since 2018.

Key Measures: Contact tracing, isolation of suspected cases, and public awareness campaigns about avoiding contaminated fruits and raw date palm sap.

Latest Kerala outbreak updates →