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.