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RIO DE JANEIRO, BRAZIL - The task of sniffing out passengers infected with COVID-19 at Chile's Santiago international airport is going to the dogs. A team of Golden Retrievers and Labradors sit when they smell the virus and get a treat. The canines sport green “biodetector” jackets with a red cross.

Sniffer dogs are best-known for finding drugs and explosives but have also previously been trained to detect malaria, cancer and Parkinson's disease.

Dogs trained to detect the novel coronavirus have already begun sniffing passenger samples at airports in the United Arab Emirates and Finland.

A study . . .

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