Over two decades, Tim Friede has injected himself with snake venom hundreds of times, and subjected himself to more than 200 bites. Now, scientists are working on an antivenom derived from his antibodies
https://www.smithsonianmag.com/smart-news/200-snakebites-later-one-mans-blood-may-hold-the-key-to-a-universal-antivenom-180986595/