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The genus of viruses (family Poxviridae) that includes the contagious ecthyma of sheep, bovine papular stomatitis, and paravaccinia viruses. They possess the nucleoprotein antigen common to all viruses included in the family but differ from other poxviruses in morphology (for example, virions are smaller and have thicker external coats) and by not multiplying in embryonated eggs.
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Parapoxvirus(par″ă-poks′vī″rŭs) [ para- + poxvirus]
A genus of very large DNA viruses that primarily infect ungulates such as deer and cattle. Transmission to humans occasionally occurs, e.g., when farmers, hunters, and ranchers butcher or dress animals.
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