“Dogs can be a faster, more precise, less expensive—not to mention friendlier—method of detecting COVID-19 than even our best current technology, a new review shows.”
From: Futurity / https://www.futurity.org/dogs-smell-covid-19-2963202/
Also found another story about all the different diseases dogs are great at sniffing out: https://newatlas.com/health-wellbeing/diseases-that-dogs-are-good-at-detecting-volatile-organic-compounds/