Czech ‘Covid’ sniffer dogs can detect Covid-19 with a 95% success rate

Czech dog trainers say canines can sniff out Covid-19 with an astonishing 95% success rate. The team of trainers in Renda, a Czech mountain village, are working in their own time to teach the dogs to tell the difference between fake samples of Covid and real ones by sniffing pieces of cloth. Lenka Vlachova, a trainer who works at Prague’s fire brigade, says the cloths either feature a scent from patients with Covid-19 or from those that tested negative for the virus. They also say they there are cloths with fake samples of the virus that are part of the testing group.

The project head, Gustav Hotovy, says the study is designed to verify dogs’ ability to detect the virus and generate a method enabling the use of training dogs in combatting the pandemic.

“The method should also work with other diseases, even more lethal than Covid-19. In the end, we should be able to detect a huge number of people in a very short time with a trained dog.”

Hotovy, who is a retired cynologist, whose team started training the dogs last August, says the first study confirming that dogs are able to detect tissue attacked by a virus was conducted in the United States about 10 years ago.

“The virus changes the human tissue, affecting the scent signature of the person.”

He says that the signature changes so much that it is immediately picked up on by the dogs. The samples are gathered by rubbing a piece of cotton against the patient’s skin and then the team has to make sure the sample is virus-free to keep the dogs from catching the virus.

A Finnish team has also been using dogs to detect the virus at Helsinki airport, reporting its dogs can detect the virus with close to 100% accuracy.

SOURCE: Reuters

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