حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَحْيَى، عَنِ ابْنِ عَجْلاَنَ، قَالَ حَدَّثَنِي سَعِيدُ بْنُ أَبِي سَعِيدٍ، عَنْ أَبِي هُرَيْرَةَ، قَالَ شَمِّتْ أَخَاكَ ثَلاَثًا فَمَا زَادَ فَهُوَ زُكَامٌ .
Narrated AbuHurayrah: Respond three times to your brother when he sneezes, and if he sneezes more often, he has a cold in his head. Translation Not Available
Book Ref: Sunan Abi Dawud Book 43 Hadith 5034
Web Ref: Sunan Abi Dawud Book 42 Hadith 5016