Dogs Trained to Sniff Out COVID-19 Score Near-Perfect in Diagnosis of Human Sweat Samples

Does sweat from someone infected with COVID-19 have a unique scent? Researchers in Paris, and elsewhere, believe it does—and we now know dogs can sniff it out. The dogs’ overall success rate was near-perfect, correctly guessing an average of 95% of samples. Four dogs successfully identified a positive COVID sweat sample 100% of the time.

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Photo Credit: Anoir Chafik