Quick Read
- Nipah virus caused two confirmed cases in West Bengal, India, in January 2026.
- Virus spreads from bats and contaminated food; no licensed vaccines or treatments exist.
- Environmental changes and human activity increase spillover risks in South and Southeast Asia.
- Scientists call for sustained One Health strategies and regional coordination.
- Delayed surveillance and episodic preparedness worsen outbreak control efforts.
NEW DELHI (Azat TV) – Scientists have issued urgent warnings about the Nipah virus following recurrent outbreaks in South Asia, emphasizing that failure to implement sustained surveillance and coordinated health strategies could allow the virus to escalate beyond current regional epidemics. The latest confirmed cases in West Bengal, India, where two nurses contracted the virus in January 2026, underline the ongoing threat posed by Nipah virus, which remains without licensed treatments or vaccines.
Nipah virus recent outbreaks signal persistent regional threat
The Nipah virus, first identified in Malaysia in 1999, continues to cause periodic outbreaks with high mortality rates, particularly in South and Southeast Asia. The recent cases in India involved healthcare workers, with one fatality and another patient surviving after intensive care. These infections are part of a pattern that scientists describe as “periodic, lethal, and preventable.” The virus spreads through contact with infected animals, primarily fruit bats, or contaminated food, and also transmits between humans through close contact.
Environmental and societal factors increasing Nipah virus risk in South Asia
Experts highlight that environmental changes such as deforestation, urban expansion, and agricultural intensification have increased human-bat interactions, thereby raising the risk of spillover infections. Fruit bats, the natural reservoirs of Nipah virus, often roost near human settlements and forage in cultivated areas, contaminating food and surfaces. Pigs also play a significant role in amplifying the virus, further complicating containment efforts. These factors combined with cross-border animal trade and human movement increase the vulnerability of countries like Cambodia, Thailand, and the Philippines to similar outbreaks.
Call for One Health approach and sustained regional preparedness
Scientists publishing in The Lancet emphasize that despite understanding the virus’s reservoirs and transmission routes, response efforts remain inadequate. Surveillance systems are often activated too late, research funding is inconsistent, and preparedness is episodic. They advocate for a One Health approach that integrates human, animal, and environmental health sectors. Regular funding, ecological monitoring, and improved cross-border communication are critical to preventing future outbreaks. The experts warn that short-term containment is insufficient and that only continuous, coordinated measures can reduce the risk of Nipah virus escalating into a more severe epidemic.
The persistent risk of Nipah virus outbreaks in South Asia illustrates the consequences of fragmented and reactive public health responses. Without systemic changes to surveillance, funding, and cross-sector collaboration, the region remains vulnerable to a virus that is lethal yet preventable, underscoring the urgent need for a sustained, unified health strategy.