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The pandemic mink problem started slowly: In April 2020, there were reports of mink on farms in the Netherlands falling ill with COVID-19, having caught the virus from their handlers. Then more workers on those farms got sick. And soon, mink and humans across the mink-raising world were infected, with serious outbreaks from Utah to Denmark.
As was so often the case in 2020, things started to get weird over the summer. And by fall, faced with a growing threat of the virus “spilling” from the mink back to humans, Denmark killed millions of its mink.
A few weeks after that, reports of mink corpses rising en masse from their graves started to, well, surface, as the bodies were buoyed by gasses released during decomposition.
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As COVID-19 sweeps the world, related viruses quietly circulate among wild animals. A new study shows how SARS-CoV-2, the virus that causes COVID-19, and SARS-CoV-1, which caused the 2003 SARS outbreak, are related to each other. The work, published recently in the journal
Virus Evolution, helps scientists better understand the evolution of these viruses, how they acquired the ability to infect humans and which other viruses may be poised for human spillover. How did these viruses come to be what they are today? Why do some of them have the ability to infect humans while others do not? said Simon Anthony, associate professor of pathology, microbiology and immunology in the School of Veterinary Medicine at the University of California, Davis, and senior author on the paper.
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