Musnad Abi Ya'la 5631 — he bought from a man named Sharik al-Nawwas

It is narrated from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) that he bought from a man named Sharik al-Nawwas some camels afflicted with the disease of thirst (huyam). Then he found some sign of the disease in them, and he said: "We are content with the ruling of the Messenger of Allah (peace and blessings be upon him) that 'there is no contagion' (disease has no reality of spreading by itself)."