TABLE 1.

Annual Antibiotic Use in the United States, According to the Institute of Medicine9 and the Union of Concerned Scientists10

Institute of Medicine
 50 000 000 pounds of antimicrobials used annually
  60% in human medicine
  32% nontherapeutic uses in agriculture
  8% therapeutic use in agriculture
Union of Concerned Scientists
 35 000 000 pounds of antimicrobials used annually
  13% in human medicine
  78% nontherapeutic uses in agriculture
  6% therapeutic use in agriculture
  3% in pets