Yes, people are trying that. https://www.marketwatch.com/story/highly-trained-dogs-could-help-combat-the-spread-of-coronavirus-heres-how-they-might-sniff-it-out

Yes, people are trying that. https://www.marketwatch.com/story/highly-trained-dogs-could-help-combat-the-spread-of-coronavirus-heres-how-they-might-sniff-it-out-2020-03-31 https://www.marketwatch.com/story/highly-trained-dogs-could-... Note that this article is about a corona symptom, Anosmia, not about the ability to smell patients. According to this [1] source, it only shows up in 30%-60% of cases. [1]: https://www.entuk.org/sites/default/files/files/Loss%20of%20sense%20of%20smell%20as%20marker%20of%20COVID.pdf https://www.entuk.org/sites/default/files/files/Loss%20of%20...