Medical Definition of parvovirus
1a capitalized : a genus of the family Parvoviridae that includes the causative agents of panleukopenia in cats and parvovirus in caninesb: any of the family Parvoviridae and especially of the genus Parvovirus of single-stranded DNA viruses
2: a highly contagious febrile disease of canines and especially dogs that is caused by a single-stranded DNA virus of the genus Parvovirus (species Canine parvovirus), is spread especially by contact with infected feces, and is marked by loss of appetite, lethargy, often bloody diarrhea and vomiting, and sometimes death—called also parvo
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