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Microbiology - Infectious Bronchitis Virus (IBV)
The Infectious Bronchitis Virus is an enveloped RNA virus.
Properties
- Pleomorphic, but mostly rounded, "enveloped" virus with spikes on its surface.
- Contains a single stranded, positive sense RNA genome.
- Family: Coronaviridae
- Rather fragile virus, infectivity of the virus is easily lost emphasizing the need to properly handle live vaccines.
- Able to withstand pH ranges of pH 2 - 12 depending on the strain, temperature and time of exposure
- Inactivated after 15 minutes at 56°C and after 90 minutes at 45°C
- Sensitive to most common disinfectants
Electron micrograph of Infectious Bronchitis virus particles
Cook, J.K.A. (1983). Isolation of a new serotype of infectious bronchitis-like virus from chickens in England.
Veterinary Record, 112, 104-105.
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