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Can dogs sniff out Covid-19? Scientists think so

Research is in the early stages, but dogs seem to be able to detect the novel coronavirus.
Nina Pullano

In the future, getting checked for Covid-19 might involve a visit with a dog rather than a doctor. Canines may be able to detect the disease, reports a new study, possibly even before people start showing symptoms.

In a new proof of concept paper, French researchers present evidence for dogs being able to detect Covid-19 by sniffing sweat from humans' armpits. After a training period, eight dogs — which had previously been trained to detect explosives and colon cancer — were able to detect the disease either most or all of the time, researchers report.

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