Nipah virus (NiV) is a severe infectious zoonotic disease, primarily affecting South and South-East Asia, that presents a high mortality rate, estimated between 40% and 75%. Two confirmed cases of the deadly Nipah virus in West Bengal, India, have prompted a rapid and coordinated response across several Asian nations, leading to enhanced airport screenings and health measures. Thailand has not reported any cases of the Nipah virus. But what exactly is the Nipah virus, and how concerned should the public be? Key information regarding Nipah virus includes:What is Nipah Virus?