Dogs can be trained to detect coronavirus just as accurately as lab-based PCR tests, scientists have claimed - now those are some clever pooches 🐶
In the study, which has been published in the, the dogs sniffed the samples inside an olfaction cone. If they detected Covid, they would sit down in front of it.
It’s not clear exactly what the dogs are smelling when they detect Covid-19, but experts believe it could be a pattern of increasing and decreasing aromas, rather than the smell of a single chemical. But there are drawbacks. It takes time to train sniffer dogs and, at present, there just aren’t enough available for the amount of testing that needs to be done. And secondly, while dogs perform well in lab settings, there’s no guarantee they’ll be able to do the same in the real world.
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