Coronavirus April 30, 2020 6:32 pm Dogs Being Trained to Sniff Out COVID-19 Researchers at the University of Pennsylvania Vet School are studying whether dogs can use their keen sense of smell to identify COVID-19 patients. US & World Videos 1:39 Lawrence police cracking down on illegal dirt bikes 1:31 CDC recommends updated Covid shot for everyone ages 6 months and up 2:30 Putting an increase in COVID cases into context 1:41 COVID cluster prompts masking at Beth Israel Deaconess Medical Center 0:50 COVID cluster at hospital prompts return of mask requirement in affected unit