It may not have a long history, but Nipah virus is rightfully causing some panic.
Since it was discovered in during a 1999 outbreak that led to 100 deaths, the virus has been the source of various outbreaks. Bangladesh, India, Singapore and Malaysia have all seen spikes in the virus. All told, there have been more than 500 reported cases of the Nipah virus in Southeast Asia, with almost 300 of those resulting in death.
As those numbers have increased, the WHO has give the Nipah virus more attention. They’ve included the virus on its list of, “priority pathogens with epidemic potential.” That list includes any illnesses that might be used in bioterrorism for a large number of deaths.