04/15/20: Another COVID Test Is Coming

North Chicago-based Abbott Labs aims to detect antibodies to show who's already been infected with the coronavirus. Crain’s health care reporter Stephanie Goldberg tells why that's important and talks about medical ethics considerations that have emerged during the pandemic. Plus: McDonald's workers file a federal complaint over COVID conditions, President Trump says he's asking United's Oscar Munoz and ADM's Juan Luciano to advise him on the economy, O'Hare and Midway get tens of millions in federal aid and the airline industry now sees $314 billion in lost ticket sales.  Find #CrainsDailyGist on Twitter and let's continue the conversation.