The Simian Virus 40 (SV40)was Isolated from Which of the Following

Question

The simian virus 40 (SV40)was isolated from which of the following?
A) Mouse tissue extracts.
B) Monkeys used for HIV research.
C) Hepatitis virus B vaccine.
D) Cells used to produce poliovirus vaccine.
E) Human adenoidal tissue.

Accepted Answer

SV40 was isolated from cells used to produce poliovirus vaccine in the 1950s. It was later discovered that some batches of the vaccine were contaminated with the virus, leading to concerns about the safety of the vaccine.