Sahih Muslim 5774
صحيح مسلم#5774Sahihوَحَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ نُمَيْرٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا سُفْيَانُ، عَنْ مُحَمَّدِ بْنِ الْمُنْكَدِرِ، عَنْ عَامِرِ بْنِ سَعْدٍ، عَنْ أُسَامَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِنَّ هَذَا الطَّاعُونَ رِجْزٌ سُلِّطَ عَلَى مَنْ كَانَ قَبْلَكُمْ أَوْ عَلَى بَنِي إِسْرَائِيلَ فَإِذَا كَانَ بِأَرْضٍ فَلاَ تَخْرُجُوا مِنْهَا فِرَارًا مِنْهُ وَإِذَا كَانَ بِأَرْضٍ فَلاَ تَدْخُلُوهَا " .
Usama reported Allah's Messenger (ﷺ) as saying:Plague is a calamity which was inflicted on those who were before you, or upon Bani Isra'il. So when it has broken out in a land, don't run out of it, and when it has spread in a land, then don't enter it
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 39:126