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polyoma virus

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polyoma virus

Minute infectious agent normally present in extremely small amounts in wild mice without causing obvious ill effects. It may induce cancerous tumours if grown in tissue culture and injected in large quantities into newborn mice or young hamsters, guinea pigs, and rabbits. It belongs to the Papovaviridae family of viruses.


polyoma virus [‚päl·ē′ō·mə ′vī·rəs]
(virology)
A small deoxyribonucleic acid virus normally causing inapparent infection in mice, but experimentally capable of producing parotid tumors and a wide variety of other tumors.


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Repeat cerebrospinal fluid (CSF) test results were negative for cryptoccocus antigen, and PCR results were negative for cytomegalovirus, herpes simplex virus (HSV), and JC polyoma virus.
The specific etiologic agents of interest include microorganisms such as herpes virus, HHV8/KSHV, cytomegalo virus, papilloma virus, polyoma virus, and bacterial infection such as chlamydia, to name a few.
Ho cited the example of DNA from the human polyoma virus which can infect rabbits while the intact virus is harmless.
 
 
 
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