October 2009

Salmonella is a leading cause of foodborne illness worldwide, with an estimated 1.4 million cases each year in the United States alone. Salmonella infections are typically due to consumption of food products of animal origin. Several lines of evidence indicate that antibiotic-resistance among human Salmonella infections results from the use of antimicrobial agents in food

Staphylococcus aureus (S. aureus), often referred to as "staph," is a bacterium commonly carried on the skin or in the nose of healthy people. S. aureus typically causes a skin infection, but can cause infections in the bloodstream and major organs. Methicillin-resistant S. aureus (MRSA) occurs when the bacteria become resistant to the antibiotic, methicillin