A U.S. Patent for a “Method of Viral Purification” was awarded to GlaxoSmithKline  on August 27th, 2019. The present invention is a method of producing a virus in cell culture comprising at least the steps of: a) providing a population of cells in a cell culture medium, b) infecting the population of cells by: i. inoculating the population of cells with the virus, and ii. incubating the inoculated population of cells so as to allow the virus to replicate and propagate, c) collecting the produced virus, thereby providing a viral harvest, and d) purifying the virus, wherein a volumetric power input of at least 15… Learn More