COVID-19 November 22, 2021 12:42 pm Dogs Being Trained to Detect COVID-19 Through Smell Humans with the COVID-19 virus can make a certain chemical that gives off an odor dogs can smell, according to Patty Unger, a retired veterinarian who works with the dogs. US & World Videos 1:36 Arizona Senate repeals 1864 abortion ban 3:37 4.1-magnitude earthquake shakes Corona 1:40 Democrats say Big Oil misled public for decades about climate change 2:56 Police putting up barricades on UCLA campus after overnight brawl 4:00 Firecrackers thrown at pro-Palestinian encampment during protester clash at UCLA