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Pronunciation: (pär'vō-vī"rus), [key]
pl. -vi•rus•es.

1. Vet. Pathol.a highly contagious, often fatal viral disease of dogs, characterized by vomiting, severe diarrhea, and depression and accompanied by high fever and loss of appetite.
2. any of several small DNA-containing viruses belonging to the genus Parvovirus, of the family Parvoviridae, esp. the virus that causes the disease parvovirus in dogs or distemper in cats.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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