Who discovered the syphilis treatment?
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Joseph Lister
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Theobald Smith
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Louis Pasteur
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Paul Ehrlich
D
Correct answer
Explanation
Paul Ehrlich, along with his assistant Sahachiro Hata, discovered Salvarsan (arsphenamine) in 1909, which was the first effective modern chemotherapeutic agent used to treat syphilis. This discovery marked the beginning of targeted antimicrobial chemotherapy.