AMR Infographic.
Source: American Society for Microbiology

Adaptation is a natural consequence of exposure to antimicrobials that makes antimicrobial resistance (decreased sensitivity to antimicrobial agents) inevitable and irreversible. The overuse of antimicrobial agents in medicine, production of food animals and crop protection have caused increasing resistance to those agents.


As existing antimicrobial agents decline in effectiveness, infections will be more difficult and expensive to treat and epidemics harder to control. The World Health Organization (WHO) projects the terrifying prospect of 10 million AMR-related deaths per year globally by 2050.

Key Causes of AMR:

  • Over-prescription of antimicrobials.
  • Shortened courses or incomplete compliance with antimicrobial treatment.
  • Antimicrobial overuse in livestock and fish farming.
  • Poor infection control in health care settings.
  • Poor hygiene and sanitation.
  • Limited discovery of new antimicrobials.
AMR genes are incredibly promiscuous, circulating through humans, animals, plants and the environment, and implementing a One Health approach is key to combatting the spread of resistance.

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AMR Policy and Advocacy Initiatives

Policy to Combat AMR

ASM recommends steps for policymakers that prioritize science and the roles of microbiologists to combat AMR.

Gloved hand holding petri dish with microorganisms.
Gloved hand holding petri dish with microorganisms.
Source: iStock

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EiC invites trainees, who will be the next generation of outstanding researchers in the field of AMR, to discuss pathways to work on antimicrobial resistance.

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Engage in Discussions About Antimicrobial Agents and Resistance

Join experts in antimicrobial agents and resistance (AAR) for a discussion on the latest issues impacting the field. Each quarter, panelists gather for a 1-hour virtual panel discussion on a predetermined topic. This quarterly panel is free for ASM members. Join or renew your membership today!

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Antimicrobial Resistance