question #3 Sahih al-Bukhari 5753, Book 76, Hadith 68 : What are the potential sources of evil omens mentioned in Islamic teachings?

Allah’s Messenger (ﷺ) said, “There is neither ‘Adwa (no contagious disease is conveyed to others without
Allah’s permission) nor Tiyara, but an evil omen may be in three a woman, a house or an animal.”