Arabic Text
وَعَنْ أَبِي سَلَمَةَ، سَمِعَ أَبَا هُرَيْرَةَ، بَعْدُ يَقُولُ قَالَ النَّبِيُّ صلى الله عليه وسلم " لاَ يُورِدَنَّ مُمْرِضٌ عَلَى مُصِحٍّ ". وَأَنْكَرَ أَبُو هُرَيْرَةَ حَدِيثَ الأَوَّلِ قُلْنَا أَلَمْ تُحَدِّثْ أَنَّهُ لاَ عَدْوَى فَرَطَنَ بِالْحَبَشِيَّةِ. قَالَ أَبُو سَلَمَةَ فَمَا رَأَيْتُهُ نَسِيَ حَدِيثًا غَيْرَهُ.
English Translation
Narrated Abu Huraira: Allah's Apostle said: The cattle (sheep, cows, camels, etc.) suffering from a disease should not be mixed up with healthy cattle, (or said: "Do not put a patient with a healthy person ). " (as a precaution).
This hadith is from Sahih al-Bukhari, the most rigorously authenticated collection in Islamic scholarship. No editorial opinion is added.