Hadith #5030 (Sunan Abi Dawud)
Book: General Behavior (Kitab Al-Adab)
Narrator(s): Hilal bin Yasaf هلال بن يساف, Ishaq bin Yusuf bin Mrdas إسحاق بن يوسف بن مرداس, Ja'far bin Iyas, Khalid bin Arfjh خالد بن عرفجة, Mansur bin al-Ma'tamar al-Salmi منصور بن المعتمر بن عبد الله السلمي, Saalm bin 'Ubaid al-Ashja'i
Grade: Sahih

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.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-5030/