Dentists Begin Reopening; Animal Habitat Destruction

Dentist offices in some states are beginning to reopen for non-emergency services this week. Dr. Romesh Nalliah, clinical professor of dentistry at the University of Michigan, joins us to discuss the challenges dentists and hygienists are facing in the era of coronavirus. And, there's growing consensus that human destruction of pristine habitats is driving animals into new environments where they can spread viruses and incubate new ones.