A key component to getting America back up and running is widespread antibody testing. The blood tests may be able to determine if someone who had COVID-19 is now immune, but there are concerns about the test’s accuracy and how long immunity might lasts. CBS News medical contributor Dr. David Agus joined CBSN to discuss. Source

Senator Elizabeth Warren is officially endorsing her former rival Joe Biden’s presidential campaign. Warren posted a video praising the former vice president and encouraged supporters to donate. CBS News political correspondent Ed O’Keefe joined CBSN to explain the significance. Source

Jazz Legend Ellis Marsalis, Jr. passed away in April due to complications from the coronavirus. Marsalis was the patriarch of what is considered to be the first family of jazz. His son, Wynton Marsalis, is an acclaimed musician and the managing and artistic director of Jazz at Lincoln Center. He joins “CBS This Morning” to talk about how the Marsalis family is keeping his father’s legacy alive, as well as staging a virtual concert with musicians from around the world, called “Worldwide Concert for our Culture.” Source

Governor John Bel Edwards said it was a “grim milestone.” Source

The test can determine, through a few drops of blood, if someone has built up antibodies to fight off the coronavirus. Source

The United States accounts for about 30% of cases, with more than 600,000 nationwide. Source

Several states have moved their primaries, while others are allowing absentee voting Source

The majority of South Dakota’s 988 total cases – 768 – are in Minnehaha County, which includes the Smithfield Foods pork processing plant. Source

Director of the Neumünster Zoo says lack of paying visitors and restrictions on travel and business could force her to take the drastic measure. Source

Disturbing increase comes after stark warnings about an increase in domestic abuse against women globally due to quarantine measures. Source