Musnad Ahmad 7620

Translation

✧ There is no contagion, no Safar, and no hama. A Bedouin said: What then is the matter with camels that are in the sand as if they were gazelles, and a mangy camel mixes with them and makes them mangy? The Prophet ﷺ said: Then who infected the first one?

Grades by grader

Narrators

1. 1
   Abū Hurayrah al-Dawsī

   The illustrious Companion, the memorizer among the Companions (ḥāfiẓ al-ṣaḥābah)d. 57 AH, or: 58 AH, or: 59 AH
   أَبُو هُرَيْرَةَ الدَّوْسِيُّالصحابي الجليل ، حافظ الصحابة
   عن
2. 2
   Abū Salamah b. ʿAbd al-Raḥmān

   trustworthy (thiqah), a prolific narrator (mukthir)d. 94 AH, or 104 AH
   أَبِي سَلَمَةَثقة ، مكثر
   عن
3. 3
   al-Zuhrī

   The jurist and memorizer (ḥāfiẓ), whose eminence, precision and reliability are agreed upond. Ḍamrah b. Rabīʿah and others said: 123 AH. The nephew of al-Zuhrī and others said: 124 AH. Ibn Yūnus and others said: 125 AH
   الزُّهْرِيِّالفقيه الحافظ ، متفق على جلالته وإتقانه وثبته
   عن
4. 4
   Maʿmar b. Rāshid

   Trustworthy (thiqah), reliable (thabt), excellent, except that there is some weakness in his narration from Thābit, al-Aʿmash, ʿĀṣim b. Abī al-Najūd and Hishām b. ʿUrwah, and likewise in what he narrated in Basrad. at the beginning of 150 AH, or: 152 AH, or: 153 AH, or: 154 AH, 155 AH
   مَعْمَرٍثقة ثبت فاضل ، إلا أن في روايته عن ثابت والأعمش وعاصم بن أبي النجود ، وهشام بن عروة شيئا ، وكذا فيما حدث به بالبصرة
   عن
5. 5
   ʿAbd al-Aʿlā

   trustworthy (thiqah)d. 184 AH, or: 187 AH, or: 189 AH
   وَعَبْدُ الْأَعْلَىثقة
   حدثنا
6. 6
   Aḥmad b. Ḥanbal

   Trustworthy (thiqah), a memorizer (ḥāfiẓ), a jurist (faqīh), an authority (ḥujjah).d. 241 AH, Abū Umayyah Muḥammad b. Ibrāhīm al-Ṭarsūsī said: 242 AH, and no one followed him in his view
   أحمد بن حنبلثقة حافظ فقيه حجة

Who each narrator was and how reliable, from hdith.com

Latin names and English verdicts with a dotted underline are machine translations, not reviewed.