Sniffer dogs could contribute to efforts to prevent the spread of Covid as society reopens, according to scientists.
As part of a trial, dogs were trained to recognise a distinctive odour produced by people with the virus, but undetectable to the human nose.
Recent research has shown dogs - particularly breeds like spaniels and retrievers - can detect the unique scents of diseases including cancer, Parkinson's and malaria.
As part of the current canine screening trial, six dogs were trained to recognise the smell produced by people with Covid-19 using worn socks, face masks and t-shirts of various materials.
BBC web news