Hadith 5029
Narrated Abu Hurairah: When the Messenger of Allah ﷺ sneezed, he placed his hand or a garment on his mouth, and lessened the noise. The transmitter Yahya is doubtful about the exact words khafada or ghadda (lessened).
Hadith 5030
Abu Hurairah reported the Messenger of Allah ﷺ as saying: There are five qualities which a Muslim should display to his brother: return of salutation, response to the one who sneezes, acceptance of the invitation, paying sick visit to a patient, and accompanying the funeral.