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Barking up the right tree? Dogs being used to sniff out COVID-19 in Finland

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Sniffer dogs test travellers for coronavirus at Helsinki airport
Sniffer dogs test travellers for coronavirus at Helsinki airport   -   Copyright  AP photos
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Sniffer dogs are usually used to detect drugs or explosives. But at Helsinki airport in Finland, they're being utilised to test for coronavirus.

A pilot project is providing instant and pain-free COVID-19 testing on the spot.

The canines have already sniffed more than 2,000 test samples since their booth was set up a month ago.

Passengers wipe themselves with a cloth and then drop the sample into a container, which the dogs then sniff.

Earlier this year, researchers found that dogs can detect the virus with close to perfect accuracy, up to five days earlier than a PCR test.

Watch more about this and the impact of the coronavirus pandemic on the travel industry in the video player, above.