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[Comment] Antibiotic stewardship: prescribing social norms

With a burgeoning world population, expansions in medical intervention, and intensified agriculture, the need for antibiotic stewardship is increasingly clear.1 Declining efficacy of antimicrobial prophylaxis for surgery or chemotherapy,2 and emergence of pan-resistant pathogens,1 warn of a post-antibiotic era. In the evolutionary arms race of antimicrobial resistance, rejuvenating the neglected pipeline for new agents provides only a partial solution.3 The key challenge worldwide is translating awareness of resistance into effective stewardship.