Lonza Inc.

Jesse Cobb

Andrew Mitchell Harris

Paul Pease

Wilburn Miller

Anthony Castagnaro

Disclosed are methods and devices for the optimization of virus removal from solutions. A method of filtering a process fluid comprising a product includes allowing some of the process fluid to flow from a first reservoir to a viral filter; adding a chase fluid to the process fluid in the first reservoir to form a composite fluid; and allowing the composite fluid to flow from the first reservoir to the viral filter to produce eluent. In some embodiments, flow of fluid across the viral filter is sufficient to avoid significant impairment to viral removal until a preselected event, occurs. In some embodiments, flow of fluid from the first reservoir across the viral filter is maintained in the absence of an interruption or slowing of flow of duration or magnitude sufficient to impair viral removal to a level below a log-reduction value of the viral filter.

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Portsmouth, NH, United States of America

Jesse Cobb