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6. Louis Pasteur discovered that many diseases were caused beb) Bacteriaa) Germsc)virus |
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Answer» During the mid- to late 19th centuryPasteurdemonstrated that microorganismscause diseaseand discoveredhow to make vaccines from weakened, or attenuated, microbes. He developedthe earliest vaccines against fowl cholera, anthrax, and rabies. |
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