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The Conversation,, ,Kristoffer Whitney, and ,Jolie Crunelle

Modern Medicine Can't Exist Without This Ancient Sea Creature — The Relationship Can't Last Forever

United States FDA
— Boston Globe/Boston Globe/Getty Images

If you have ever gotten a vaccine or received an intravenous drug and did not come down with a potentially life-threatening fever, you can thank a horseshoe crab (Limulus polyphemus).

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