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simian virus 40

noun

: a polyomavirus (Betapolyomavirus macacae) that infects monkeys and has been shown experimentally to cause tumors in laboratory rodents

called also SV40

Note: Simian virus 40 was first discovered in the early 1960s in cultures of kidney cells which were derived from rhesus monkeys and used to prepare polio vaccines. Antibodies to simian virus 40 have been detected in humans, and DNA of simian virus 40 has been isolated from human tumors.

Cite this Entry

“Simian virus 40.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/simian%20virus%2040. Accessed 29 Nov. 2025.

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