Japanese encephalitis virus (JEV) is transmitted to humans and other animals by the bite of infected mosquitoes. A number of pig properties have recently been identified with JE virus infection. Pigs are important in JEV transmission because pigs develop high levels of viraemia sufficient to infect mosquitoes (amplifying host).
There are two safe and effective vaccines for JE:
For more information, see the Australian Immunisation Handbook.
The Communicable Diseases Network of Australia (CDNA) recommends the following groups should receive the JE vaccine:
At this time, it is not recommended that NSW GPs consider JE vaccination for other groups in the community. Mosquito bite avoidance should be encouraged.
Current approach to vaccination in NSW
Patient investigation
Further resources and information