Since the onset of the pandemic, the Technology and Social Change Research Project at Harvard Kennedy’s Shorenstein Center, where I am the director, has been investigating how misinformation, scams, and conspiracies about covid-19 circulate online. If fraudsters are now using the virus to dupe unsuspecting individuals, we thought, then our research on misinformation should focus on understanding the new tactics of these media manipulators. What we found was a disconcerting explosion in “zombie content.”