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From sniffer dogs to sewage testing, scientists are finding new ways to detect COVID-19 – ABC News

What do sniffer dogs, faecal matter and drones all have in common? They can detect COVID-19 on a much broader scale than testing people one-by-one. This is how these tactics are (or soon could be) used in Australia.

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Right now if we want to know how many people have COVID-19, we have one primary tactic: individual testing.
It’s resource-intensive, inconvenient and hamstrung by the notion that everyone will have symptoms and act on them.
So with the World Health Organisation warning there may never be a “silver bullet” for COVID-19, scientists are investigating more creative tactics to keep tabs on the virus.
Enter dogs, drones and sewage testing.
Let’s take a look at how Australian researchers are explor…

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Victoria new cases 21, deaths 7 – The Australian Financial Review

French Finance Minister tests positive. Canada-US extend border closure. US deaths near 200,000. Follow live updates here.

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The Irish government on Friday announced strict new COVID-19 restrictions for the capital Dublin, banning indoor restaurant dining and advising against all non-essential travel, after a surge in cases in recent days.
Ireland, which was one of the slowest countries in Europe to emerge from lockdown, has seen average daily case numbers roughly double in the past two weeks and significant increases in those being treated for the virus in hospitals.
“Here in the capital, despite people’s best effo…

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Adaptations found in RNA secondary structure in genes of two proteins of SARS-CoV-2 – News-Medical.Net

To investigate mutations in coronaviruses, a new study by scientists at Duke University and published on the preprint server bioRxiv, used a computational methodology, adaptiPhy, which identifies extra nucleotide substitutions in certain parts of the viral ge…

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Modeling indicates that secondary structures of RNA in the genes encoding the Nsp4 and Nsp16 proteins of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are different from other related coronavirus species, and this may affect some viral molecular processes.
With the dramatic spread of COVID-19 caused by the SARS-CoV-2 coronavirus, there has been a push to understand how a virus can infect new hosts and what makes it different from other coronaviruses.
One way of doing this is…

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This video shows just how easily COVID-19 could spread when people sing together – The Conversation AU

Our video shows aerosol emissions from singing a simple scale. No wonder singing in a choir can be risky.

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Production of the reality TV show The Masked Singer was shut down last month after several crew members were infected with COVID-19.
Its one of several examples of COVID-19 transmission associated with singing around the worldsince March, prompting some jurisdictions to ban group singing altogether.
In New South Wales, for example, choral singing is banned and there are no-singing rules at weddings and nightclubs.
Now our new study, which included filming droplets and aerosols emitted when s…

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