leu·ko·vi·rus
variants:
or chiefly British leucovirus \
ˈlü-kō-ˌvī-rəs 
\
\
Medical Definition of leukovirus
: any of various retroviruses (as the Rous sarcoma virus) that cause tumors in animals
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“Leukovirus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/leukovirus. Accessed 17 Aug. 2022.
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