A recent study demonstrated that plain old cinnamon can kill a variety of foodborne pathogens including: Bacillus cereus, Listeria monocytogenes, Staphylococcus aureus, Escherichia coli, and Salmonella anatum. So try a strong cup of cinnamon tea next time you eat at that sketchy restaurant.
  
J Agric Food Chem. 2007 Jul 11;55(14):5484-90. Epub 2007 Jun 13.