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Application of bacteriophage cocktails for reducing the bacterial load of nosocomial pathogens in hospital wastewater. | LitMetric

AI Article Synopsis

  • * A study in Iran collected wastewater samples from hospitals and used specific phages to target and reduce harmful bacteria levels in the wastewater.
  • * The results showed that the phage cocktail significantly decreased bacterial counts by up to 99.9%, indicating its potential to enhance public health and water quality.

Article Abstract

Background And Objectives: In the third world and developing countries, hospital sewage is mixed with municipal wastewater. The treated effluent contains dangerous bacteria released into the environment and used in the irrigation of agricultural products, and eventually these bacteria may endanger the human health through foods. Antibiotic-resistant bacteria are mostly found in hospital wastewater. In water and wastewater treatment plants, large amounts of toxic and polluting substances are removed and destroyed, but this process does not eliminate bacteria.

Materials And Methods: Wastewater samples from 22 hospitals in Iran were collected and in the meantime specific phages (against drug-resistant pathogenic bacteria) extracted using the bilayer agar technique. Phage amplification was performed by employing a fermenter after phage identification. Amplified phages were added to the primary sedimentation pond using New-Brunwick biofermenter BioFlo/Celligen®115 and the bacterial count was evaluated for the desired bacteria.

Results: Our phage cocktail was able to reduce 99.8%, 99.4%, 99.5%, 99.8%, 99.7%, 99.8%, 99.6% and 99.9% of and counts respectively.

Conclusion: The application of phage cocktails can remarkably help improve personal hygiene, the environment, and the optimization of surface water.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10132342PMC
http://dx.doi.org/10.18502/ijm.v14i3.9782DOI Listing

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