It's not inconceivable that people suffering viral infections emit characteristic odours that canines smell, but it's very hard to imagine dogs could ever alight on specific viruses.
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If there is even a preprint of this study anywhere on the internet, I have not been able to find it. Just crazy claims in the press, from the same group of researchers whose previous gig was trying to get dogs to smell Malaria.https://twitter.com/SkyNews/status/1396700705919053827 …
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Here's the Malaria study, based on the plausible premise that Plasmodium parasites cause infected humans to emit specific mosquito-attracting odours. No similar mechanism exists for Corona.https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(19)30220-8/fulltext …
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It's all fun and games until a crazy dog alerts on you while you're transferring between flights at some foreign airport and you end up in days-long quarantine
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That sounds just so fake
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How this happens, is they have separate collection processes for the Corona and the control samples; the two groups acquire different odours in the processing and the dogs pick up on it.
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