Coronavirus: occurrence, surveillance, and persistence in wastewater

Area of Science:

• Environmental Science
• Public Health
• Virology

Background:

• The global spread of coronavirus disease (COVID-19) has necessitated environmental monitoring.
• Understanding virus behavior in water systems is key for control measures.
• Coronaviruses and their nucleic acids have been detected in municipal wastewater.

Purpose of the Study:

• To review the epidemiological surveillance of coronaviruses in wastewater.
• To discuss the occurrence, detection, and persistence of coronaviruses in wastewater.
• To highlight the role of wastewater-based epidemiology in pandemic response.

Main Methods:

• Review of existing literature on coronavirus occurrence in wastewater.
• Analysis of wastewater-based epidemiological surveillance strategies.
• Examination of tools for detecting coronaviruses in sewage.
• Assessment of coronavirus persistence in aqueous environments.

Main Results:

• Coronaviruses are detectable in municipal wastewater, though concentrations may be low due to degradation.
• Wastewater surveillance offers dual benefits: early outbreak detection and identification of asymptomatic carriers.
• Various tools exist for detecting viral nucleic acids in sewage.

Conclusions:

• Wastewater-based epidemiology is a valuable tool for monitoring coronavirus circulation in communities.
• Effective control measures depend on understanding virus behavior in the environment.
• Continued research into wastewater surveillance is vital for managing future pandemics.