It was narrated that Abu Hurairah said:"I saw the Prophet carrying Hasan bin 'Ali on his shoulder, and his saliva was dripping down on him
Hadith No. 658
Sunan Ibn Majah
Gradings:
Al-Albani:
Sahih
Muhammad Fouad Abd al-Baqi:
Sahih
Zubair Ali Zai:
Isnaad Sahih