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Who was responsible for establishing the idea that microorganisms play a role in disease
During the mid- to late 19th century Louis Pasteur demonstrated that microorganisms cause disease and discovered how to make vaccines from weakened, or attenuated, microbes.
what is louis pasteur best known for
Louis Pasteur is best known for inventing the process that bears his name, pasteurization. Pasteurization kills microbes and prevents spoilage in beer, milk, and other goods.

Question: what vaccines did the scientist create
Self-contained rewrite: what vaccines did Louis Pasteur create