Commentary
Tim Friede let venomous snakes bite him roughly 200 times, suffering anaphylactic shocks, and spending four days hospitalized in a coma. But this wasn’t a suicide attempt. He was seeking immunity to all snake venom, so that his blood could be used to create a universal antitoxin. The Centivax startup reports promising results from an early version of an antitoxin based on Friede’s blood.