Trained dogs sniff out coronavirus-infected passengers at Helsinki airport

Djaka, a four-year-old beagle, has been trained at a machine with holes containing smells to find the one containing the coronavirus sample. — dpa

A four-year-old beagle called Djaka is sniffing around at a machine with lots of holes – different smells coming out of each of them.

The dog sticks her nose in one hole and then starts to sniff harder. She’s found the one containing the coronavirus sample – the machine rewards her with a treat.