An object of the present invention is to provide a method for purifying a hepatitis a virus incorporating a chromatographic step that can remove impurities more efficiently than in the prior art. A method for purifying a hepatitis a virus, comprising the steps of: A) culturing cells infected with the hepatitis a virus and collecting the cultured cells; b) solubilizing the collected cells to obtain a solubilized solution; C) separating the resulting solubilized liquid from hepatitis a virus using anion exchange chromatography with a chromatography carrier comprising cross-linked agarose with diethylaminopropyl, followed by obtaining an eluate; and d) subjecting the resulting eluate to gel filtration chromatography, A method for purifying hepatitis a virus, comprising: None

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