About the virus
The Japanese encephalitis virus is a leading cause of viral encephalitis in Asia, with 30-50,000 cases reported annually. One person in 200 infected develops a severe neuroinvasive illness. The case fatality rate in patients with severe disease is 20- 30%. Different kinds of vaccines are available.Read facts for health professionals
Prevention and control
Different kinds of vaccines (inactivated, attenuated and chimeric) are available and used in several Asiatic countries. In Europe an inactivated vaccine is currently available. Another way of prevention is avoiding mosquito bites.