wastewater surveillance
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Shutdown leaves gaps in states’ health data, possibly endangering lives
As the federal shutdown continues, states have been forced to fall back on their own resources to spot disease outbreaks — just as respiratory illness season begins.
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National COVID-19 trends, October 7
COVID-19 data are limited this week due to the government shutdown, now the second time that vital disease surveillance has been interrupted since Trump took office in January. The CDC has not updated the majority of its COVID-19 and respiratory disease data pages since September 26.
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Epidemiologist Caitlin Rivers shares advice for interpreting COVID-19 and other infectious disease data
To offer guidance on finding and interpreting infectious disease data during these confusing times, managing editor Betsy Ladyzhets talked to Caitlin Rivers, an epidemiologist at Johns Hopkins University’s Bloomberg School of Public Health and author of the popular newsletter, Force of Infection.
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National COVID-19 trends, August 19
The U.S.’s summer COVID-19 surge continues, with cases increasing across all regions through early August, driven by travel and gatherings as well as the variant XFG. Despite the obvious increases in COVID-19 spread, the CDC’s wastewater dashboard — which recently updated its methodology — downplays current viral activity levels as “low.”
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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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