adventitious virus

adventitious virus

[‚ad·ven′tish·əs ′vī·rəs]
(virology)
A contaminant virus present by chance in a virus preparation.
References in periodicals archive ?
The natural immune system is a complex adaptive recognition system, and can protect the body against an adventitious virus.
This new facility is designed and engineered to accommodate up to 10,000 square feet of cGMP aseptic fill/finish and formulation space, multiple laboratories to support product release and a large virology section which will be used to analyze biotechnology products derived from cell lines for adventitious virus contamination according to FDA requirements.
Retrospectively, it was determined that the initial BPV inoculum in 1996 only, was contaminated with an adventitious virus and the RSV titer was practically non-existent.
b) Retrospectively, it was determined that the Parvovirus inoculum in 1996 was contaminated with an adventitious virus.