Changes

====Pathogenesis====

====Pathogenesis====

*Probably viral.  

*Probably viral.  

*[[Feline Calicivirus|Calicivirus]] found in 7-80%, also often find [[Picornaviridae|picorna virus]] and [[feline immunodeficiency virus ]](FIV)

*[[Feline Calicivirus|Calicivirus]] found in 7-80%, also often find [[Picornaviridae|picorna virus]] and [[Feline Immunodeficiency Virus (FIV)]]

*Probably calici virus that starts it.   

*Probably calici virus that starts it.   

*Also owners often claim develops after 'having cold' prior to it.   

*Also owners often claim develops after 'having cold' prior to it.