Scientists are now training dogs to identify COVID-19 by following their noses.  Dogs that can pinpoint the scent of COVID-19 could identify infection in people are asymptomatic and could play a valuable role in disease response as people return to work and social-distancing restrictions are relaxed.  How feasible is it?  Let's find out from Rebecca Corso, co owner and head trainer at California Service Dog Academy and Your Pro Dog Trainer.