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