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

Tanutam Thawan



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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  1. Avatar

    Tony Andrews

    Sunday, January 24, 2021 at 5:39 pm

    Great no more Thai cotton buds shoved up people’s noses.
    However the Thais will never let the dogs in because the handlers will have to do 16 days quarantine. And the handlers will not pay.

  2. Avatar

    Tony Andrews

    Sunday, January 24, 2021 at 5:51 pm

    Plus Thai testers do not want a second opinion on who is infected, that will ruin their mistaken diagnosis. Or fraud diagnosis.

  3. Avatar


    Sunday, January 24, 2021 at 6:07 pm

    How can a dog smell or sense covid 19 is this a joke

    • Avatar

      Stephen Westrip

      Sunday, January 24, 2021 at 7:45 pm

      Read the article!

    • Avatar

      Issan John

      Sunday, January 24, 2021 at 8:15 pm

      Plenty of reports of it in a lot of countries.

  4. Avatar

    Udon Man

    Sunday, January 24, 2021 at 8:38 pm

    Hilarious stuff.

  5. Avatar

    Barry Betts

    Monday, January 25, 2021 at 7:15 am

    What an absolute load of tosh!!!

    • Avatar

      Issan John

      Monday, January 25, 2021 at 1:44 pm

      Yes … if dogs could smell things so well they’d be used to warn of epilepsy, sniff out money, and … oh 🙁

  6. Avatar


    Tuesday, January 26, 2021 at 6:20 am

    Stephen ive read the article its still total crap and ij what other countries ie not the big boys russia america uk France Germany China ect.

  7. Avatar

    Komsant Frederick

    Tuesday, January 26, 2021 at 7:39 am

    Animals have contracted/tested positive for the Wu-Flu…sounds like a job more dangerous than sniffing IEDs.???

  8. Avatar


    Friday, January 29, 2021 at 2:45 pm

    Great news. Perfect “tool” to use on airports and other crowded places. Let’s start crowdfunding to get a few of these dogs into Suvarnabhumi Airport so that we can travel abroad again.

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