character: Ignaz Semmelweis
topic: Hand Hygiene in Medicine
grade: 11
subject: Chemistry
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character: Hippocrates
topic: Ancient Medical Practices
grade: 11
subject: Chemistry
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character: Edward Jenner
topic: Vaccination and Disease Prevention
grade: 11
subject: Chemistry
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character: Louis Pasteur
topic: Germ Theory of Disease
grade: 11
subject: Chemistry
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