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New Delhi, India – Health authorities in India have activated emergency protocols following the confirmation of five cases of Nipah virus infection in the state of West Bengal as of January 26, 2026. This outbreak comes amidst ongoing concerns about the virus’s potential for wider spread and its high mortality rate.
Understanding Nipah Virus
The Nipah virus (NiV) is classified as a priority disease by the World Health Institution (WHO) due to its critically important impact on public health. The virus is known for a mortality rate ranging from 40% to 75%,varying depending on the outbreak and quality of healthcare access. Currently, there is no specific cure or vaccine widely available.
Transmission and Risk Factors
Nipah virus is a zoonotic disease, meaning it primarily transmits from animals to humans. Tho, human-to-human transmission is also a concern. Transmission occurs through:
- Consumption of contaminated food, particularly raw date palm sap or fruits accessed by infected bats.
- Direct contact with infected animals, such as pigs.
- Close contact with an infected person.
The virus was first identified in pigs in Malaysia and Singapore in 1998 and 1999, named after the village of Sungai Nipah in Malaysia where the initial outbreak among pig farmers occurred. it can also infect other domestic animals, including horses, dogs and cats, according to the Centers for Disease Control and Prevention (CDC).
symptoms and Progression
The initial symptoms of Nipah virus infection are often non-specific, making early diagnosis challenging. These include:
- Fever
- Headache
- Muscle pain (myalgia)
- Vomiting
- Sore throat
As the disease progresses, more severe symptoms can develop:
- Dizziness
- Drowsiness
- Altered consciousness
- Signs of acute encephalitis (inflammation of the brain)
- Atypical pneumonia
- Respiratory distress
In severe cases, patients can experience encephalitis and seizures, leading to coma within 24 to 48 hours. The WHO reports that some individuals may fully recover, but neurological complications can persist. Recurrences of the disease have also been documented.
Incubation and Current Situation
The incubation period for Nip
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