India, Jan. 30 -- Countries in Asia are increasing health screenings in response to the surge in Nipah virus cases in India. Thailand, Singapore, Hong Kong, and Malaysia have implemented new testing measures following the detection of two cases of Nipah virus in West Bengal. This virus has a high fatality rate in humans, ranging from 40 to 75 per cent, depending on how well a country can test, trace, and treat infected people, according to the World Health Organization (WHO). The Nipah virus can spread from person to person. Still, it rarely does, and outbreaks are usually small and manageable, experts and the European Centre for Disease Prevention and Controlsay. Here's what we know about the virus, including how it spreads, its symptoms...