PROBLEM TO BE SOLVED: To provide a member having antiviral activity capable of inactivating attached virus even in the presence of a lipid or a protein regardless of presence/absence of an envelope.SOLUTION: This member 100 having antiviral activity, which is a member capable of inactivating attached virus, includes a substrate 1 wherein at least a part of the surface comprises an inorganic material, and gold fine particles 2 fixed to the inorganic material part of the substrate 1.COPYRIGHT: (C)2013,JPO&INPIT【課題】エンベロープの有無に関係なく、また、脂質やタンパク質の存在下でも付着したウイルスを不活化できる抗ウイルス性を有する部材を提供する。【解決手段】抗ウイルス性を有する部材100は、付着したウイルスを不活化できる部材であって、少なくとも表面の一部が無機材料からなる基体1と、基体1の無機材料部分に固着した金微粒子2と、を含む。【選択図】図1