Residual Testing in Viral Vector Manufacturing: Why It Matters
This blog explores why residual testing is essential for viral vector manufacturing and how it supports product quality, safety, consistency, and regulatory compliance. We’ll cover the common host cell- and process-derived impurities found throughout manufacturing, the analytical methods used to detect and quantify residuals, and how testing supports process development, validation, and regulatory submissions. We’ll also discuss how manufacturers can build a comprehensive residual testing strategy, with a focus on evaluating process-specific impurities such as transfection reagents and enhancers.
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