To provide a disinfecting solution against noroviruses and a disinfecting article against noroviruses which have high safety and can inactivate noroviruses within a short period of time. A disinfecting solution against noroviruses comprises 0.05-0.5 wt% of a polyhexamethylene biguanide-based compound and 40-80 wt% of an alcohol together with sodium carbonate and sodium hydrogen carbonate and has a pH value adjusted to 9-12. A disinfecting article against noroviruses is prepared by impregnating a base material comprising a fiber assembly with the aforesaid disinfecting solution.本發明提供一種諾羅病毒消毒液及諾羅病毒消毒用物品,該諾羅病毒消毒液的安全性高,且在短時間內就能夠使諾羅病毒失去活性。該諾羅病毒消毒液,包含0.05~0.5重量%的聚六亞甲基雙胍系化合物、及40~80重量%的醇類;並且,包含碳酸鈉和碳酸氫鈉,且該諾羅病毒消毒液的pH值在9~12的範圍內。又,使此消毒液含浸在由纖維集合體所構成之基材中來作成諾羅病毒消毒用物品。