29/01/2026
The Nipah virus is spreading in India. Here’s what to know.
With a fatality rate as high as 70% and no existing vaccine, the Nipah virus is currently designated by the World Health Organization as a priority pathogen with significant epidemic potential.
The Nipah virus (NiV) is a highly lethal zoonotic disease that jumps from animals—specifically fruit bats and pigs—to humans through direct contact or contaminated food.
Infections often begin with flu-like symptoms, including fever and muscle pain, but can rapidly progress to severe respiratory distress and acute encephalitis.
This brain-swelling condition often leads to a coma within 24 to 48 hours, contributing to a staggering fatality rate estimated between 40% and 70% (though have been as high a 75% during some outbreaks).
Beyond animal spillover, the virus can also spread directly between people, making hospital settings and close-knit communities particularly vulnerable to localized outbreaks.
Despite the severity of the disease, there are currently no specialized drugs or vaccines available for humans or animals, leaving patients dependent on intensive supportive care. The World Health Organization classifies Nipah as a priority disease for research due to its capacity for person-to-person transmission and the risk it poses to global health security. Preventive measures focus on reducing exposure to bats, avoiding raw date palm sap that may be contaminated with bat secretions, and ensuring rigorous infection control in healthcare environments.
As outbreaks continue to emerge sporadically across South and Southeast Asia, international health experts are urging accelerated development of diagnostics and therapies to contain this dangerous pathogen.
sources:
World Health Organization. Nipah virus infection: Fact sheet. World Health Organization.
