PT - JOURNAL ARTICLE AU - Sean O'Donnell TI - Proceedings of 2019 Viral Clearance Symposium: Introduction AID - 10.5731/pdajpst.2021.012676 DP - 2021 Jan 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - pdajpst.2021.012676 4099 - http://journal.pda.org/content/early/2021/12/15/pdajpst.2021.012676.short 4100 - http://journal.pda.org/content/early/2021/12/15/pdajpst.2021.012676.full AB - ABSTRACT: This article introduces the presentations from the 2019 Viral Clearance Symposia which was held in Claremont, California. The Viral Clearance Symposia contained regulatory perspectives presented by representative from the Paul -Ehrlich-Institute, FDA and Health Canada. Industry members presented on several areas related to viral safety including viral clearance strategies for manufacturing processes, continuous processing, upstream and facility risk mitigation, virus detection methods and continuous processing.