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A new study in the UK reveals sniffer dogs have a success rate of more than 94% when it comes to detecting the coronavirus, even where sufferers are asymptomatic.

Professor James Logan is head of the Department of Disease Control at the London School of Hygiene and Tropical Medicine. He ran the study in collaboration with Durham University and the charity Medical Detection Dogs.

鈥淭he dogs are incredibly accurate. The dogs are better than lateral flow tests at picking up people with a low level of the virus. When our body has an infection, what we are seeing with Covid is it changes our body odour. People who don鈥檛 have any symptoms, their body odour still changes and it is those changes that the dogs are able to pick up on.鈥�

He said they could be useful at airports because 鈥渢he dogs can screen 300 people per hour per dog.鈥�

Photo: A Covid-sniffing dog being trained in Rome (Getty Images)