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, 13:33, 21 May 2010
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==Introduction==
Circoviruses are the smallest known viruses of vertebrates and plants, and cause immunosuppressive infections of pigs, poultry, and parrots. No vaccines are currently available against them.
==Morphology==
*Genome is a single molecule of circular positive-sense DNA, which encodes for one major capsid protein
==Virulence and Pathogenesis==
*Viruses are '''very stable''' in the environment
==Virus by Species==
===[[Avian Circoviruses]]===
===[[Porcine Circoviruses]]===
[[Category:Viruses]]