Nipah is a zoonotic virus (it is transmitted from animals to humans) and can also be transmitted through contaminated food or directly between people. In infected people, it causes a range of illnesses from asymptomatic (subclinical) infectionto acute respiratory illness and fatal encephalitis. According to the virologists and Doctors. Nipah virus is considered a fatal and dangerous disease because there is no vaccine or medicine available to treat it. The only cure for the Nipah virus is prevention and avoid contact with infected animals and infected people.