Surveillance and outbreak alert

Nipah Virus

Outbreak of Nipah virus encephalitis in Kerala state of India

Nipah virus

On 19 May 2018, a Nipah virus disease (NiV) outbreak was reported from Kozhikode district of Kerala, India. This is the first NiV outbreak in South India. There have been 17 deaths and 18 confirmed cases as of 1 June 2018. The two affected districts are Kozhikode and Mallapuram. A multi-disciplinary team led by the Indian Government’s National Centre for Disease Control (NCDC) is in Kerala in response to the outbreak. WHO is providing technical support to the Government of India as needed. WHO does not recommend the application of any travel or trade restrictions or entry screening related to NiV outbreak.

Nipah virus disease is an emerging infectious disease spread by secretions of infected bats. It can spread to humans through contaminated fruit, infected animals, or through close contact with infected humans.

Past outbreaks