"We currently use dogs to smell out bed bugs, which give off a smell when they cluster that can be detected by a dog but not by a human," Tierno noted.
He added that he has noticed C. difficile scent in samples from patients with "overt medical manifestation of infection. But as our ability in terms of scent is nowhere near that of a dog, there's no doubt in my mind that it makes sense to use an animal for this purpose."
For more on in-hospital infections, visit the U.S. National Library of Medicine.
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