Sahih Muslim 5775
صحيح مسلم#5775SahihAmir b. Sa'd reported that a person asked Sa'd b. Abu Waqqas about the plague, whereupon Usama b. Zaid said:I would inform you about it. The Messenger of Allah (ﷺ) said: It is a calamity or a disease which Allah sent to a group of Bani Isra'il, or to the people who were before you; so when you hear of it in land, don't enter it and when it has broken out in your land, don't run away from it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 39:127