Study: COVID spread from deer to humans multiple times The coronavirus spread from deer to humans at least a few times based on an analysis of samples taken from the animal, according to a new study.  The analysis published Monday in the scientifi… jgans The Hill

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Covid-sniffing dogs can help detect infections in K-12 schools, new study suggests | CNN Elementary students lined up behind a white curtain in the middle of a grand gymnasium at their school in northern California. They stood still as a dog handler walked a yellow Labrador along the other side of the curtain. Jacqueline Howard CNN

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New York City rats can catch the coronavirus that causes Covid-19, study finds | CNN The millions of Norway rats that live alongside New Yorkers are among the animals that can catch the virus that causes Covid-19, a new study says. However, reports of the virus spreading from any types of animals to humans remain rare. Katherine Dillinger CNN

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Early COVID-19 variants remain in deer populations

While COVID-19 variants Alpha, Gamma and Delta are no longer circulating among humans, they continue to spread in white-tailed deer.

The animals are the most abundant large mammal in North America. Scientists aren't sure whether the deer could act as long-term reservoirs for these obsolete variants.

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