Of the a hadith narrated by Abu Huraira from Muhammad, the Messenger of Allah ﷺ, one is this: The Messenger of Allah ﷺ said: The purification of the utensil belonging to one amongst you, after it is licked by a dog, lies in washing it seven times.
عَنْ مُحَمَّدٍ رَسُولِ اللَّهِ ﷺ فَذَكَرَ أَحَادِيثَ مِنْهَا وَقَالَ رَسُولُ اللَّهِ ﷺ طُهُورُ إِنَاءِ أَحَدِكُمْ إِذَا وَلَغَ الْكَلْبُ فِيهِ أَنْ يَغْسِلَهُ سَبْعَ مَرَّاتٍ