Definition of "retroviruses" [retroviruses]

• Plural form of retrovirus. (noun)

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• "RETROVIRUSES MEETING AT COLD SPRING HARBOR LABORATORY The types of viruses known as retroviruses cause some cancers as well as AIDS."
• "In 1996, researchers discovered that viruses called retroviruses, which live inside of cells, could be transmitted from pig cells to human cells."
• "Viruses such as HIV that insert themselves into host chromosomes, called retroviruses, were discovered at UW-Madison in the 1970s."