Trained dogs can smell coronavirus in your pee
Fox News
Dogs can sniff out SARS-CoV-2 in urine samples with 96% accuracy, according to a proof-of-concept study.
Dogs are known to be able to sniff out scents that are specific to various diseases, and previous studies have shown that SARS-CoV-2 also has a strong signature that dogs can detect in saliva and sweat samples. In fact, dogs have already been deployed to detect COVID-19 at a Dubai airport, according to the study. But it wasn't known whether dogs could detect the virus in urine samples, where the virus load is typically lower, according to the study. To figure this out, a group of researchers first trained eight Labrador retrievers and one Belgian Malinois to recognize the scent of a synthetic substance known as the universal detection compound (UDC), which is an odor that isn't found naturally in the environment. They put the compound on one of 12 ports of a "scent wheel" and rewarded the dogs whenever they reacted to the port containing UDC.
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