Flint’s water crisis is far from over, but the city is making progress. Dr. Mona Hanna-Attisha, the pediatrician who exposed the crisis, talks to Dr. Josh Sharfstein about how an “unfair and preventable health crisis” became an opportunity to address disparities and do better. This focus on secondary prevention actually helped build up public health infrastructure that’s now used in the COVID-19 response. Hanna-Attisha discusses how COVID-19—also a preventable health crisis—could be a similar wa