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== Introduction ==

== Introduction ==

 

Until 1978 Parvovirus enteritis was totally unknown in dogs - it was first seen in dogs in Australia where it appeared very similar but perhaps slightly worse than the [[Feline Panleucopenia|disease seen in the cat]]. Research revealed a new and distinct disease, but the virus is very closely related to the feline virus; viral DNA is 98% homologous to the feline virus. Clinically, the virus causes enteritis mainly affecting the [[Small Intestine Overview - Anatomy & Physiology|small intestine]] in young dogs over 6 weeks old and [[Myocarditis|myocarditis]] in puppies. The virus is transmitted orally. Vaccines are very effective, but the virus is hardy and survives for a protracted time in the environment.  

Until 1978 Parvovirus enteritis was totally unknown in dogs - it was first seen in dogs in Australia where it appeared very similar but perhaps slightly worse than the [[Feline Panleucopenia|disease seen in the cat]]. Research revealed a new and distinct disease, but the virus is very closely related to the feline virus; viral DNA is 98% homologous to the feline virus. Clinically, the virus causes enteritis mainly affecting the [[Small Intestine Overview - Anatomy & Physiology|small intestine]] in young dogs over 6 weeks old and [[Myocarditis|myocarditis]] in puppies. The virus is transmitted orally. Vaccines are very effective, but the virus is hardy and survives for a protracted time in the environment.