Hospital wastewater (HWW) discharges are among the main sources of antibiotic-resistant bacteria. This study detected a high frequency of beta-lactamase-producing Gram-negative Bacilli in HWW of different geographical regions of Colombia, even in the presence of the wastewater treatment plant, highlighting the importance of regulating these environments in developing countries.
Keywords: Antimicrobial resistance; Beta-lactamases; Carbapenemases; Hospital wastewater; Multidrug-resistant.
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