Categories Articles Giant rats could be trained to sniff out COVID-19, scientists say Post author By crystalg Post date January 30, 2021 Study Finds Tags could, COVID19, Giant, Rat's, Scientists, Sniff, Trained ← A Hyatt-owned resort hotel in Austin is letting people ‘test drive’ life in Texas for $18,500 a month – see inside Miraval Austin → CDC Issues Mask Mandate for Public Transportation and Planes in U.S.