WHO: Low Nipah Spread Risk After India, Bangladesh Cases

The World Health Organization (WHO) has reassured the public that the risk of the deadly Nipah virus spreading globally remains low, despite recent confirmed cases in India and Bangladesh. This statement was made by WHO chief Tedros Adhanom Ghebreyesus during a press conference in Geneva on Wednesday, February 11, 2026. The announcement aims to allay concerns following the detection of three new Nipah infections across the South Asian nations. Specifically, two cases were identified in India's West Bengal state, while a single fatal case was reported in Bangladesh. The Indian cases involved two healthcare workers, a 25-year-old woman and a 25-year-old man, both employed at a private hospital in Barasat, North 24 Parganas district. They developed symptoms in late December 2025, and their Nipah virus infection was confirmed on January 13, 2026, following preliminary testing on January 11, 2026. While one patient's condition improved, the other remained critical as of January 21, 2026. Indian health authorities swiftly responded by identifying and testing over 190 contacts, all of whom thankfully tested negative for the virus. In Bangladesh, the confirmed case was a woman aged between 40 and 50 years from the Naogaon District, Rajshahi Division, located in the northwestern part of the country. She began exhibiting symptoms consistent with Nipah infection on January 21, 2026, including fever, headache, muscle cramps, and disorientation, which progressed to convulsions. Tragically, she died on January 28, 2026, and her infection was confirmed the following day, January 29, 2026. Investigations revealed she had a history of consuming raw date palm sap between January 5 and 20, 2026, a known transmission route for Nipah virus in Bangladesh. All 35 identified contacts of the patient were monitored and tested negative, indicating no further spread from this case. Despite the geographical proximity of these outbreaks along the India-Bangladesh border, WHO Director-General Tedros Adhanom Ghebreyesus clarified that the two outbreaks were not related. He noted that both regions share similar ecological and cultural conditions, as well as populations of fruit bats (Pteropus species), which are the natural reservoirs of the Nipah virus. The virus is primarily zoonotic, meaning it typically spreads from animals to humans. Transmission can occur through direct contact with infected animals (like bats or pigs), consumption of food products contaminated by infected bats (such as raw date palm sap or fruits bitten by bats), and, to a limited extent, human-to-human transmission through close contact with bodily fluids of infected individuals, particularly in healthcare settings. Nipah virus is a formidable pathogen with an alarmingly high case fatality rate, estimated to be between 40% and 75%. This wide range depends on local capabilities for early detection and clinical management of cases. Currently, there are no licensed antiviral drugs or vaccines specifically approved for Nipah virus infection. Treatment remains largely supportive, focusing on managing severe respiratory and neurological complications. The WHO has classified Nipah as a priority pathogen, underscoring the urgent need for accelerated development of medical countermeasures. Nipah virus is not new to the region. It was first identified in Malaysia in 1998, with subsequent outbreaks reported in Singapore, India, Bangladesh, and the Philippines. In India, outbreaks have been reported periodically, notably in West Bengal in 2001 and 2007, and more recently, recurring outbreaks in the southern state of Kerala since 2018. Bangladesh, in particular, has experienced almost annual outbreaks since 2001, often linked to the seasonal harvesting and consumption of raw date palm sap during the winter months. The current outbreak in West Bengal marks the state's third documented Nipah incident. Despite the recurring nature of these outbreaks, experts, including those from CSIRO, emphasize that Nipah virus does not spread easily between people and typically requires close, prolonged contact with infected individuals. In response to the confirmed cases and the ongoing risk, several Asian countries, including Hong Kong, Malaysia, Singapore, Thailand, Indonesia, and Pakistan, had tightened airport screening checks. However, the WHO has stated that based on current information, it does not recommend any international travel or trade restrictions. This stance reflects the assessment that while the virus is highly deadly, its transmissibility in the general community is low, and countries like India possess the capacity to contain such outbreaks through robust public health measures, including enhanced surveillance, contact tracing, laboratory testing, and stringent infection prevention and control practices. The overall message from international health bodies remains one of vigilance rather than panic. Public health advisories continue to stress preventive measures such as avoiding contact with sick animals (especially bats and pigs), refraining from consuming raw date palm sap or fruits potentially contaminated by bats, thoroughly washing and peeling fruits, and practicing good personal hygiene, including frequent hand washing. For healthcare workers, strict infection prevention and control measures are crucial when dealing with suspected or confirmed cases.

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