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4 months ago

Man who injected snake venom for 18 years aids antivenom breakthrough.

tribune

Snake Venom Self-Immunization Leads to Breakthrough Antivenom

MADISON, WISCONSIN — A decades-long, life-risking experiment by a Wisconsin man has led to what scientists call the most broadly effective antivenom ever developed, offering hope against some of the world’s deadliest snakes.

Key Breakthroughs:

  • Tim Friede, a former truck mechanic, spent 20 years injecting himself with snake venom—enduring 200+ bites and 700+ venom injections—to build immunity.

  • His antibody-rich blood was used by researchers to develop an experimental antivenom effective against 19 elapid species (cobras, mambas, taipans).

  • Published in Cell, the study marks a potential replacement for century-old horse-derived antivenoms.

How It Works:

  • Friede’s immune system produced rare, broadly neutralizing antibodies.

  • Scientists combined three key antibodies (two from Friede’s blood) into a “cocktail” therapy.

  • In mice, it provided full protection against 13 species and partial protection against 6 more.

Why It Matters:

  • Snakebites kill ~60,000/year, mostly in rural areas with limited antivenom access.

  • Current antivenoms are species-specific, expensive, and can cause severe side effects.

  • This universal approach could simplify treatment, especially in regions like Africa, Asia, and Australia.

Cautious Optimism:

  • Not yet tested on humans or vipers (responsible for most fatalities).

  • Trials expanding to dogs in Australia, with future plans for viper venoms.

  • Experts warn against self-immunization—Friede’s methods were extremely dangerous.

Friede’s Motivation:

  • Started in the early 2000s while keeping venomous snakes as pets.

  • Nearly died multiple times but persisted to “help people 8,000 miles away.”

  • “It became a lifestyle,” he said.

Next Steps:

  • Further safety and efficacy trials.

  • Potential for a dual-treatment antivenom (elapids + vipers).

  • Could save tens of thousands annually if successful.

Quote:
“We’re moving towards a new generation of antivenoms. This could be transformative.”
— Prof. Peter Kwong, Columbia University

Final Thought:
While Friede’s unorthodox sacrifice was critical, scientists emphasize that modern lab techniques can now replicate his immunity without the risks. The future of snakebite treatment may finally be within reach.

 

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