wastewater surveillance
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National COVID-19 trends, June 24
National COVID-19 metrics in the U.S. continue to report consistent disease levels across much of the country — as I noted last week, I remain pleasantly surprised that we haven’t seen a sharper uptick yet this summer. Still, there are signs of increased SARS-CoV-2 spread in wastewater in some places, particularly on the West Coast…
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National COVID-19 trends, June 10
A summer COVID-19 surge is likely on the way in the U.S. While the disease is still spreading at more moderate levels in most of the country, there are signals of increased viral spread in parts of the West and East Coasts. New variants are likely to accelerate outbreaks from summer travel and gatherings. And…
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National COVID-19 trends, November 12
Our moderate lull between surges continues. COVID-19 levels in the U.S. remain lower than typical for this time of year — though still much higher than the true lows in 2020-2021. While the expected winter wave has not picked up yet, it remains important to take precautions against SARS-CoV-2 and other viruses, particularly as H5N1…
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National COVID-19 trends, October 22
The U.S. continues to be in a lull of moderate COVID-19 spread between the summer and winter surges. While disease levels may be somewhat lower than this time last year (according to wastewater surveillance), they are still much higher than the true periods of low spread we experienced in 2020 and 2021.
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National COVID-19 trends, September 10
The U.S.’s summer COVID-19 surge continues to slowly wane. While wastewater and healthcare system data have reported declines over the last couple of weeks, disease levels remain high across the U.S. — though you might not know it from looking at the CDC’s viral activity levels map, recently updated to an even more minimizing color…
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Wastewater surveillance for Covid-19 keeps evolving. Here’s what you need to know.
As governments have scaled back their tracking of Covid-19 — even as the pandemic continues — many people who still take precautions have increasingly relied on wastewater surveillance to follow disease trends. But wastewater data can be confusing and inconsistent, especially as surveillance programs change over time.
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National Covid-19 trends, July 16
The U.S. is well into our summer Covid-19 surge: even the CDC’s wastewater dashboard now acknowledges that the country is facing high coronavirus activity. Yet most travel and gatherings continue without any precautions, making it easier for the latest variants to spread.
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National Covid-19 trends, June 18
California and nearby West Coast states continue to bear the brunt of this summer’s Covid-19 surge so far, with high wastewater levels and increasing burden on the healthcare system. Data signals are mixed for other parts of the country as newer variants continue to spread.
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National Covid-19 trends, June 11
Following the same trends from recent weeks, the U.S.’s expected summer Covid-19 wave continues to rise. According to wastewater surveillance and our limited healthcare system data, infections are rising quickly in California and other West Coast states, and progressing more slowly (but still increasing) in other regions.
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National Covid-19 trends, May 21
Following last week’s trends, U.S. Covid-19 metrics continue to indicate that we may be at the beginning of a summer surge, thanks to our lack of collective safety measures combined with the latest variants. Unfortunately, the U.S. just lost another Covid-19 metric, as wastewater surveillance company Biobot Analytics announced that it is shutting down its…
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