Hundreds of studies to date, and ever-strengthening science, tie the spreading epidemic of resistant infections in humans to routine antibiotic use in food animals. This is a select summary of that science across several critical strands of evidence.

Two versions are available. The complete compilation of studies, "147 Studies Supporting Public Health Action to Reduce Antibiotic Overuse in Food Animals" and the shorter version, "Science Supporting Public Health Action to Reduce Antibiotic Overuse in Food Animals".