Wastewater surveillance: A powerful but limited tool for tracking infectious diseases
By
Ariel Christensen
Summary
This article discusses the use of wastewater surveillance as a tool for tracking infectious diseases, highlighting its advantages over traditional clinical reporting methods (cheaper, more timely, less biased). It notes that standard methods for estimating pathogen prevalence from wastewater have limitations, including lack of comparability across pathogens and sensitivity to environmental factors. The article suggests that measuring genetic diversity of viruses in wastewater could improve disease control efforts.
Source
bskyWastewater surveillance: A powerful but limited tool for tracking infectious diseasesdoi.orgKey quotes
· 5 pulledSurveilling pathogens in wastewater has become an important tool for tracking infectious diseases across populations since the COVID-19 pandemic.
This approach promises to be cheaper, more timely, and less biased than traditional strategies that rely on clinical reporting or surveys.
Standard methods for estimating pathogen prevalence from wastewater, which are based on normalized measurements of the amount of a pathogen's genetic material in a sample, have limitations.
Some measures are not comparable across pathogens or settings, whereas others are sensitive to environmental factors.
Measuring the genetic diversity of viruses in wastewater could improve disease control.
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