In some counties, half of the spike in deaths during the pandemic is attributed to COVID-19. Researchers say that points to a massive undercount.

By Dillon Bergin, Betsy Ladyzhets, Jake Kincaid and Derek Kravitz, Brown Institute for Media Innovation and MuckRock’s Documenting COVID-19 project; Sarah Haselhorst, The Clarion-Ledger; Ashley White and Andrew Capps, The Daily Advertiser; Rudi Keller, The Missouri Independent; Nada Hassanein, USA TODAY