Authorities scramble to control Japanese encephalitis outbreak

The surprisingly fast spread of the virus could herald endemicity, expert warns

Three cases of illness from Japanese encephalitis virus have been confirmed and another 16 are being investigated in an unprecedented outbreak across four states of Australia, health authorities say.

Adjunct Professor Scott Ritchie
Adjunct Professor Scott Ritchie.

Transmission of the mosquito-borne disease, once confined to the Top End, is so widespread it could entrench the virus,