It is intended to provide a method whereby a virus and leukocytes can be simultaneously eliminated from virus-containing blood and platelets can be recovered at a high yield, and a material and an apparatus therefor. <；??>；A water-soluble carrier having surface which is capable of capturing a virus and leukocytes in blood but allows the permeation of platelets therethrough is brought into contact with virus-containing blood. Thus the virus and leukocytes can be simultaneously removed from the blood while platelets can be recovered at a high yield.
