noun, plural par·vo·vi·rus·es.
- Veterinary Pathology. 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.
- any of several small DNA-containing viruses belonging to the genus Parvovirus, of the family Parvoviridae, especially the virus that causes the disease parvovirus in dogs or distemper in cats.
- any of a group of viruses characterized by their very small size, each of which is specific to a particular species, as for example canine parvovirus
n.1965, from parvi- + connecting element -o- + virus. n.
- Any of a group of small viruses of the genus Parvovirus that cause disease in many vertebrates, especially mammals such as dogs and cattle.
- Any of a group of small DNA viruses of the family Parvoviridae that cause disease in many vertebrates, especially a febrile infection in dogs resulting in vomiting, diarrhea, and sometimes death. In humans it commonly causes an acute contagious infection called fifth disease, marked by a facial rash.