Possible Clues:

• Cookery expert twice reported nasty disease
• One held by North African on island contracted disease
• Disease caused by vitamin B deficiency — ie briber (anag)
• Asian disease due to vitamin B1 deficiency
• Repeatedly anger bishop about a problem overseas
• Dig in remains of fruit said to bring disease
• Disease in fruit recurring we hear
• Bishop with recurrent anger repeated complaint
• Disease causing inflamation of the nerves and heart failure
• Thiamine deficiency