Which of the following bacteria is NOT part of the four major bacteria under NARMS surveillance?

• A. Campylobacter
• B. Enterococcus
• C. E. coli
• D. Shigella

Answer: (D)

NARMS focuses on four key enteric bacteria because they are major contributors to foodborne illness and are tracked for antimicrobial resistance across human, animal, and food sources. Those four are Salmonella, Campylobacter, Shigella, and Escherichia coli. Enterococcus, while important in other clinical contexts, is not one of the four major bacteria monitored by NARMS. Therefore, Enterococcus is not part of the four major NARMS surveillance targets.