Viruses in wastewater: occurrence, abundance and detection methods.

Area of Science:

• Environmental Microbiology
• Virology
• Wastewater Engineering

Background:

• Wastewater treatment systems harbor diverse viruses, necessitating robust detection methods.
• Understanding viral presence and viability is crucial for public health and environmental safety.
• Existing methods for virus detection in complex matrices like wastewater and sludge require continuous improvement.

Purpose of the Study:

• To provide a comprehensive review of current methods for virus detection and quantification in wastewater.
• To analyze the viability of viruses within wastewater and sludge.
• To highlight recent advancements in detection techniques and pre-treatment methods.

Main Methods:

• Review of existing literature on viral detection and quantification in wastewater.
• Analysis of studies focusing on viral abundance, diversity, and viability in various wastewater treatment stages and sludge.
• Comparison of pre-treatment methods for wastewater and sludge samples.

Main Results:

• Recent studies focus on viral abundance and diversity across wastewater treatment stages and in sludge.
• Efforts are ongoing to enhance the efficiency of virus detection and quantification methods.
• Metagenomics and sequencing analysis show promise for public health surveillance and outbreak prediction.

Conclusions:

• Advanced detection methods are crucial for monitoring viruses in wastewater systems.
• Metagenomic approaches offer significant potential for public health surveillance and predicting disease outbreaks.
• Further research is needed to address challenges in detecting emerging viruses like SARS-CoV-2 in wastewater.