Disclosed is an anti-viral agent which can inactivate various types of viruses. Also disclosed is a product comprising the anti-viral agent. The anti-viral agent is characterized by comprising particles of at least one iodide formed by iodine and an element selected from the 4th to 6th row elements belonging to Groups 8 to 15 on the periodic table or at least one univalent copper compound as active ingredients or an active ingredient. The anti-viral agent has increased flexibility in the designing of components thereof compared with conventional anti-viral agents. The anti-viral agent can be produced without the need of any pretreatment, any special washing process or the like, and therefore can exhibit and keep its anti-viral activity without any difficulty.
