The present invention provides an antiviral substrate that is excellent in antiviral properties, is excellent in transparency or the like, and is capable of maintaining characteristics such as the transparency of a base material and the color of the surface of the base material. The present invention relates to an antiviral substrate in which a cured material of an electromagnetic curable resin containing a copper compound is scattered in the form of islands on a surface of a base material , and at least a part of the copper compound is exposed on a surface of the cured material of the electromagnetic curable resin.