In 1978 the world is on the brink of declaring victory over smallpox. No cases have been seen for months, and it looks like the end for a deadly, painful disease. When a photographer in Birmingham begins to feel ill, doctors are mystified: it looks like smallpox, but how could she have caught it? As they try to contain the outbreak, questions about blame and lab safety erupt in a media frenzy, questions that remain today. For a full list of sources, see the show notes at timharford.com. Get ad-free episodes, plus an exclusive monthly bonus episode, to Cautionary Tales by subscribing to Pushkin+ on Apple Podcasts or Pushkin.fm. Pushkin+ subscribers can access ad-free episodes, full audiobooks exclusive binges, and bonus content for all Pushkin shows. Subscribe on Apple: apple.co/pushkinSubscribe on Pushkin: pushkin.fm/plusSee omnystudio.com/listener for privacy information.