Current Situation and Global Perspective of Nipah Virus
Keywords:
Nipah virus, zoonotic diseases, emerging infections, encephalitis, outbreak preparednessAbstract
The Nipah virus (NiV) is a highly pathogenic zoonotic virus associated with recurrent outbreaks in South and Southeast Asia. Since its first identification in 1998 among the pig farmers in Sungai Nipah Village in Malaysia, NiV has demonstrated high case fatality rates (40–75%) and significant epidemic potential. At that time, the virus spread to Singapore, and human cases were also identified in India, Bangladesh, and Philippine afterwards. No human cases have been reported in Indonesia; the country remains on high alert due to geographic concerns and the intensity of mobilization of people. To review the current global epidemiological situation of Nipah virus (as of 2026), evaluate public health preparedness, and analyze ongoing research efforts, including vaccine and therapeutic development.Nipah virus outbreaks remain geographically concentrated in Bangladesh and India, with seasonal spillover events linked primarily to bat-to-human transmission through contaminated food products. Human-to-human transmission occurs but remains limited. Improved surveillance, rapid case isolation, and contact tracing have reduced outbreak sizes in recent years. Vaccine candidates are currently in Phase II clinical trials.While the global pandemic risk remains low at present, the Nipah virus continues to represent a high-consequence emerging pathogen. Sustained surveillance, vaccine development, ecological research, and strengthened health systems are critical to mitigating future risks.References
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