Nipah virus infection, causes symptoms that vary from none to fever, cough, headache, shortness of breath, and confusion. This may worsen into a coma over a day or two. Complications can include inflammation of the brain and seizures following recovery.
The virus normally circulates among specific types of fruit bats. It can both spread between people and from other animals to people. Prevention is by avoiding exposure to bats and sick pigs and not drinking raw date palm sap. Nipah virus outbreaks have been reported in Malaysia, Singapore, Bangladesh and India.