By Maria Godoy and Daniel Wood, National Public Radio, May 30, 2020 In April, New Orleans health officials realized their drive-through testing strategy for the coronavirus wasn't working. The reason? Census tract data revealed hot spots for the virus were located in predominantly low-income African-American neighborhoods where many residents lacked cars. In response, officials have changed their strategy, sending mobile testing vans to some of those areas, says Thomas LaVeist , dean of...