A U.S. Patent for “Virus Purification” was awarded to CC Biotech on December 1st, 2020. The present invention is a method for purifying a virus particle comprising applying a sample comprising a virus in a two part aqueous solvent comprising a carbohydrate and a salt into a spiral tubing in a countercurrent chromatography rotor, flowing a fluid phase through said tubing, and exposing said rotor to planetary motion to separate said virus from said sample. 
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