[WHO] 2018.08.07. 니파바이러스병 (Nipah virus) - India
As of 17 Jul 2018, a total of 19 Nipah virus (NiV) cases, including 17 deaths, [have been] reported from Kerala state: 18 of the cases were laboratory-confirmed and the deceased index case was suspected to have NiV but could not be tested. The outbreak was localized to 2 districts in Kerala state: Kozhikode and Malappuram. No new cases or deaths have been reported since 1 Jun 2018 and, as of 30 Jul , human-to-human transmission of NiV has been contained in Kerala State.
As reported in the Disease Outbreak News published on 31 May 2018, 3 deaths due to NiV infection were reported on 19 May  from Kozhikode District, Kerala State; 3 of the 4 reported deaths were confirmed positive for NiV by real-time polymerase chain reaction (RT-PCR) and IgM ELISA for NiV.
•Nipah virus infection in humans causes a range of clinical presentations, from asymptomatic infection (subclinical) to acute respiratory infection and fatal encephalitis.
•The case fatality rate is estimated at 40% to 75%. This rate can vary by outbreak depending on local capabilities for epidemiological surveillance and clinical management.
•Nipah virus can be transmitted to humans from animals (such as bats or pigs), or contaminated foods and can also be transmitted directly from human-to-human.
•Fruit bats of the Pteropodidae family are the natural host of Nipah virus.
•There is no treatment or vaccine available for either people or animals. The primary treatment for humans is supportive care.
•The 2018 annual review of the WHO R&D Blueprint list of priority diseases indicates that there is an urgent need for accelerated research and development for the Nipah virus.