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A virus genus encompassing a poorly characterized group of retroviruses that cause vacuolation (foaming) of cultured cells; usually cause persistent but silent infections in their natural hosts and no diseases caused by these agents have been identified.
Spumavirus/Spu·ma·vi·rus/ (spu´mah-vi″rus) foamy viruses; a genus of nonpathogenic viruses of the subfamily Spumavirinae (family Retroviridae) that induce persistent infection in humans, primates, cats, cattle, and hamsters.
A genus of retroviruses occasionally transmitted to humans after exposure to the blood or body fluids of infected animals (e.g., apes, cats, or cattle).
a member of the subfamily Spumavirinae.