Researchers at Hanover university's vet clinic present dogs which are able of detecting COVID-19 in humans's...
A researcher at Hanover university's vet clinic presents Joe, the 1-year-old Cocker Spaniel which is able to detect COVID-19 in humans' saliva samples, in Hanover, Germany, February 3, 2021. REUTERS/Hannibal Hanschke REFILE - CORRECTING YEAR.
