Sahih Bukhari
Medicine
Volume: 007 / Book Number: 071 / Hadith Number: 649
Narrated 'Abdullah bin 'Umar:
Allah's Apostle said, "There is neither 'Adha (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."