Rising cases, not enough testing, and not enough people taking the virus seriously. NPR science correspondent Richard Harris explains why the virus is surging again, what's causing lower fatality rates, and how to think about the future of the pandemic. For more on death rates in the latest surge, read: "COVID-19 Cases Are Rising, So Why Are Deaths Flatlining?"Follow Maddie at @maddie_sofia and Richard @rrichardh. Email the show at shortwave@npr.org.