In the 1970s, an unconventional雨 of chickenheads descended upon Europe, bewildering foxes and delighting wildlife. These peculiar payloads, however, harbored a secret: they were loaded with a vaccine, a desperate attempt to vanquish the deadly rabies virus that had been terrorizing both wildlife and humans since the 1930s. This is the story of Lyssa, an ancient spirit of fury, and the relentless virus that bears her name.