Dogs successfully trained to detect asymptomatic cases

A research team at Chulalongkorn University has successfully trained six sniffer dogs to detect people infected with Covid-19 who do not show symptoms.

The trained dogs were ready to be sent to airports to support Covid-19 screening there.

According to Chulalongkorn University’s journal website, the six Labrador retrievers, trained by researchers at the university’s Faculty of Veterinary, had a 94.8% accuracy in detecting asymptomatic cases.

Prof Kaywalee Chadarong, deputy dean of the faculty and head of the research team, said dogs’ noses were 50 times more sensitive than humans in detecting the smell.

The six retrievers were chosen as they had long nasal cavities and were…