Why one type of dog can smell Covid-19 with a 100 percent success rate – Inverse

What does a pandemic smell like?
If dogs could talk, they might be able to tell us.
Were part of an international research team, led by Dominique Grandjean at Frances National Veterinary School of Alfort, that has been training detector dogs to sniff out traces of the novel coronavirus (SARS-CoV-2) since March.
These detector dogs are trained using sweat samples from people infected with COVID-19. When introduced to a line of sweat samples, most dogs can detect a positive one from a line of …

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