The Source of Traditions on Imam al-Riḍā (Vol 2) · Hadith 139 (#Ḥadīth #139)
Chapter 1 | Traditions about Ar-Ridha
139 - وَبِهذَا الإِسنادِ عَنْ عَلِىِّ بْنِ أَبِي طالِبٍ عَلَيْهِالسَّلامُ قالَ: الطّاعونُ مِيْتَةٌ وَحِيّةً.
31-139 According to the same documentation, Ali ibn Abi Talib said, “Plague is sudden death.”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).