Fecha de publicación: 12/01/2023 Fuente: Wipo Milk or dairy products The purpose of the present invention is to provide an anti-viral material that has a high inactivation effect against novel coronavirus (SARS-CoV-2) and can be used in various products for the counter measure against novel coronavirus.　The anti-viral material comprises a base material and a metal thin film formed on the base material, in which the metal thin film is formed by a metal film formation means using pure copper or an alloy comprising copper and zinc. When the metal thin film is formed by the metal film formation means, a higher inactivation effect against novel coronavirus can be achieved compared with that achieved by the metals themselves.