Provided are an antiviral composition, an antiviral agent and a photocatalyst, said antiviral composition, antiviral agent and photocatalyst being capable of exhibiting excellent antiviral properties within a short period of time in both light and dark places, and a virus inactivation method. The antiviral composition according to the present invention comprises an inorganic compound carrying BiVO4 and a divalent copper compound. The virus inactivation method according to the present invention comprises inactivating a virus using the antiviral composition according to the present invention, the antiviral agent according to the present invention or the photocatalyst according to the present invention.本發明提供一種抗病毒性組成物、抗病毒劑及光觸媒、以及病毒失活方法,其在明處及暗處中短時間內表現優異之抗病毒性。本發明之抗病毒性組成物含有擔持有BiVO4之無機化合物、與2價銅化合物。本發明之病毒失活方法使用本發明之抗病毒性組成物、本發明之抗病毒劑或本發明之光觸媒使病毒失活。
