Human Tech Tree
Researched1909 · Machine Age (1900 – 1945)

Life / Medicine

Salvarsan: the magic bullet

Paul Ehrlich's Salvarsan (1909) was the first designed drug to kill a microbe, the syphilis bacterium, without killing the patient.

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Paul Ehrlich and Sahachiro Hata tested hundreds of arsenic compounds against the syphilis bacterium and found compound 606 in 1909; it was sold as Salvarsan from 1910. Ehrlich's idea of a 'magic bullet' that hits the germ and spares the body, and his systematic screening of synthetic compounds, founded chemotherapy. Sulfa drugs and antibiotics followed the same path.

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