The mortality rate of Nipah virus infection ranges from about 40% to 75%, depending on the species infected.
From September 1998 to March 1999, there were 283 patients in Malaysia, of whom 109 died, representing a mortality rate of 38.5%.
From 1998 to 1999, Singapore reported 246 patients infected with Nipah virus, of whom 98 died, with a mortality rate of about 40%.
WHO statistics since 2001 in Bangladesh almost every year people infected with Panipavirus and death cases, the mortality rate is about 60% to 90%.
The mortality rate of Nipah virus infection is about 40% to 75%, but the rate varies according to the outbreak and also depends on the surveillance and investigation capacity of the place of outbreak. If infected with Nipah virus, severe neurological symptoms will appear, and the mortality rate is close to 100% if the disease is not treated in time.