被蛇咬202次，还自己注射毒液，男子不仅没死，科学家还从他身上提炼出超强血清

Core Insights - The article highlights the remarkable journey of Tim Friede, who has survived 202 snake bites and self-administered over 800 doses of snake venom, ultimately contributing to the development of a new type of antivenom [1][3][12]. Group 1: Background and Motivation - Tim Friede developed an interest in snakes from a young age, leading him to experiment with self-immunization against snake venom [3][5]. - Self-immunization involves gradually exposing the body to harmful substances to build immunity, similar to vaccination [3][6]. Group 2: Research and Development - After a near-fatal incident in 2001, Friede intensified his self-immunization efforts, injecting venom from various snake species over 18 years [6][12]. - Immunologist Jacob Glanville, CEO of Centivax, sought Friede's blood for research to create a universal antivenom that could counteract multiple snake venoms [11][12]. Group 3: Scientific Breakthrough - In May 2025, Glanville's team published findings in the journal Cell, identifying two broad-spectrum human antibodies from Friede's blood that target common snake venom toxins [11][12]. - The new antivenom formulation showed promising results in mice, allowing survival against 13 out of 19 lethal snake venoms tested, potentially reducing treatment costs and saving lives [12][13].