India has confirmed two cases of the Nipah virus in West Bengal, affecting healthcare workers who are in intensive care. The government reassures that 196 contacts are asymptomatic and tested negative. The Nipah virus, transmitted from animals or infected individuals, has a high mortality rate and potential for outbreaks. Neighbouring countries are increasing surveillance for travelers from India, but no cases have been reported outside the country. Historical outbreaks have occurred in several countries, with the WHO monitoring the situation.