It is an acute infectious fatal viral disease of the CNS caused by rabies virus.


-Caused by one of the rhabdoviridae viruses.

-The virus is inactivated by sunlight, heat at 60 c for 30 minutes and ether.

- It can be grown in chick and duck embryos and in tissue cultures.

-There are two types of the virus:

  • Street virus ---- it’s the virulent form found in rabid animals in nature.

   •Fixed virus ---- It is the modified street virus by repeated intracerebral passage in rabbits.