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Any of a genus of DNA viruses that infect birds and mammals and induce tumors in certain rodents.


(ˌpɒl iˈoʊ məˌvaɪ rəs)

n., pl. -rus•es.
any of several small DNA-containing viruses of the family Papovaviridae, capable of producing a variety of tumors in mice, hamsters, rabbits, and rats.
[1955–60; poly- + -oma + virus]
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References in periodicals archive ?
The Polyomaviridae constitute a family of small DNA viruses that infect a variety of hosts.
Merkel cell polyomavirus belongs to the Polyomaviridae family of viruses, which is a group of nonenveloped, small, double-stranded DNA viruses.
Among oncogenic viruses are those in the Polyomaviridae family, whose members infect an array of vertebrate species, including birds, humans, nonhuman primates, bovids, rodents, and sea lions (1,2).
Within the family of Polyomaviridae are 4 known viruses directly associated with malignancy, namely, Polyomavirus hominis 1 (BK) virus, John Cunningham virus (JCV), KI polyomavirus, and mumps virus.
To the Editor: Human polyomaviruses (HPyVs) are members of the family Polyomaviridae.
Both are double-stranded DNA viruses in the family Polyomaviridae.
Polyomaviridae is a family of nonenveloped viruses with a circular double-stranded DNA genome.
Recently, 2 novel viruses of the family Polyomaviridae were detected in respiratory samples and named KI (2) and WU polyomavirus (WUPyV) (3).