Prognosis
Dogs Can Sniff Out Coronavirus Infections, German Study Shows
A trainer works with a dog at a training school in Santiago, Chile on July 17.
Photographer: Marcelo Hernandez/Getty ImagesThis article is for subscribers only.
Sign up here for our daily coronavirus newsletter on what you need to know, and subscribe to our Covid-19 podcast for the latest news and analysis.
Dogs with a few days of training are capable of identifying people infected with the coronavirus, according to a study by a German veterinary university.