Waste

Genome Sequencing of Sewage Detects Regionally Prevalent SARS-CoV-2 Variants

Wed, 2021-01-27 16:42 — mike kraft

Genome Sequencing of Sewage Detects Regionally Prevalent SARS-CoV-2 Variants Viral genome sequencing has guided our understanding of the spread and extent of genetic diversity of SARS-CoV-2 during the COVID-19 pandemic. SARS-CoV-2 viral genomes are usually sequenced from nasopharyngeal swabs of individual patients to track viral spread. Recently, RT-qPCR of municipal wastewater has been used to quantify the abundance of SARS-CoV-2 in several regions globally. However, metatranscriptomic sequencing of wastewater can be used to profile the viral genetic diversity across infected communities. Here, we sequenced RNA directly from sewage collected by municipal utility districts in the San Francisco Bay Area to generate complete and nearly complete SARS-CoV-2 genomes.

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Sewage testing shows a country flush with coronavirus cases

Thu, 2020-10-29 11:21 — mike kraft

Sewage testing shows a country flush with coronavirus cases Across the country, cities and universities are testing sewage to monitor the Covid-19 virus. Maggie Fox, CNN CNN

(CNN) When Rosa Inchausti and her colleagues started testing wastewater in Tempe, Arizona, it was 2018 and they were not looking for coronavirus. They were tracking the opioid epidemic.

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United States

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Sewage as a Possible Transmission Vehicle During a Coronavirus Disease 2019 Outbreak in a Densely populated Community: Guangzhou, China, April 2020

Tue, 2020-10-13 17:21 — mike kraft

Sewage as a Possible Transmission Vehicle During a Coronavirus Disease 2019 Outbreak in a Densely populated Community: Guangzhou, China, April 2020 AbstractBackground. SARS-CoV-2 has been identified in the fecal matter of COVID-19 patients. However, sewage transmission has never been shown. In April 2020, OUP Academic

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Colleges are turning tests of waste to detect COVID-19 among students

Tue, 2020-09-08 11:30 — mike kraft

Colleges combating coronavirus turn to stinky savior: sewage Days after he crossed the country to start college, Ryan Schmutz received a text message from Utah State University: COVID-19 had been detected at his dorm. Tynin Fries The Denver Post

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CDC anounces National Wastewater Surveillance System

Tue, 2020-09-08 10:57 — mike kraft

National Wastewater Surveillance System Learn about the National Wastewater Surveillance System, a new public health tool to understand COVID-19 spread in a community. CDC Centers for Disease Control and Prevention

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The CDC wants state and local sewage systems tested for coronavirus

Wed, 2020-08-19 10:11 — mike kraft

The CDC wants state and local sewage systems tested for coronavirus Depending on the level of virus in the sewage, wastewater testing can also be a leading indicator of a worsening outbreak, the CDC says. Noah Higgins-Dunn CNBC

The federal government is teaming up with local health departments to begin testing sewage systems for the coronavirus in an effort to catch the virus before it spreads rapidly, according to the U.S. Centers for Disease Control.

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Most U.S. Companies Say They are Planning to Transition to a Circular Economy

Wed, 2019-02-06 07:54 — Kathy Gilbeaux

But the definition of circular economy remains unhelpfully broad.

fastcompany.com - by Adele Peters - February 5, 2019

When Amsterdam’s Schiphol Airport remodeled a terminal, it didn’t buy light bulbs; instead, the company signed a contract for “light as a service” from Signify, the company formerly known as Philips Lighting. Signify owns the physical lights, giving it the incentive to make products that last as long as possible and that can be easily repaired and recycled if anything breaks.

The service is one example of a shift to a circular economy model. Rather than just mining materials and manufacturing products that ultimately end up in landfills, companies are increasingly trying to figure out how to use resources in closed loops.

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