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Rise in Covid-19 Detection in Wastewater Signals Possible Resurgence

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BNN Correspondents
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Rise in Covid-19 Detection in Wastewater Signals Possible Resurgence

In a significant development, the detection of Covid-19 in wastewater has seen an increase of 24% within a week. This spike suggests a possible resurgence of coronavirus infection in the concerned population, given that virus presence in wastewater often acts as an early indicator of epidemiological trends. Wastewater is regularly monitored in many countries as a means to track the pandemic's trajectory. Such spikes could mean that health authorities need to be alert and possibly take measures to prevent a new wave of infections. Wastewater data can also help identify circulating virus variants and tailor responses accordingly.

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Tracking Covid-19 Through Wastewater

Many cities, including Austin, have been using routine testing of city sewage to track COVID-19 levels. This method provides a comprehensive picture of the virus's spread at a citywide level. Google's sister company, Verily, has also been involved in wastewater testing, despite privacy concerns related to this method. The Centers for Disease Control and Prevention's (CDC) National Wastewater Surveillance System has been pivotal in monitoring the spread of the virus that causes COVID-19 within communities. It recently launched a new data dashboard to interpret and use wastewater data.

Wastewater Surveillance and Public Health

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The potential of wastewater monitoring in public health surveillance is immense. It can help monitor increases in respiratory illness and pediatric pneumonia cases and track new virus variants. Wastewater surveillance data can also improve local preparedness and response to seasonal respiratory virus disease outbreaks. Studies have shown that this data correlates with emergency department visits for influenza and respiratory syncytial virus (RSV). Therefore, it can provide advanced warning and help in scaling up preventive measures.

Continued Daily Deaths and the Role of Wastewater Data

The U.S continues to witness daily deaths from COVID-19, emphasizing the persistently high death rate and concerns over a potential resurgence. The recent rise in COVID-19 presence in wastewater could have implications for the upcoming season. Moreover, the article discusses a spike in flu cases in New York during Thanksgiving week, raising further concerns about respiratory infections.

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