Simultaneous stream assessment of antibiotics, bacteria, antibiotic resistant bacteria, and antibiotic resistance genes in an agricultural region of the United States

  12 November 2023

Antimicrobial resistance (AMR) is now recognized as a leading global threat to human health. Nevertheless, there currently is a limited understanding of the environment’s role in the spread of AMR and antibiotic resistance genes (ARGs). In 2019, the U.S. Geological Survey conducted the first statewide assessment of antibiotic resistant bacteria (ARB) and ARGs in surface water and bed sediment collected from 34 stream locations across Iowa. 

A total of 14 different ARGs were detected from viable bacteria cells from 30 Iowa streams (88 %, n = 34). Study results provide the first baseline understanding of the prevalence of ARB and ARGs throughout Iowa’s waterways and health risk potential for humans, wildlife, and livestock using these waterways for drinking, irrigating, or recreating.

Author(s): Carrie E. Givens et al
Clean Environment  


Unrestricted financial support by:


Antimicrobial Resistance Fighter Coalition

Bangalore Bioinnovation Centre


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