| 21. | Perkins also claimed to have discovered a cure for yellow fever.
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| 22. | He sought better ways to distinguish yellow fever from other ailments.
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| 23. | Twelve possible diseases are being investigated, including yellow fever and dengue.
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| 24. | Yellow fever causes high fever, severe vomiting and dehydration in the early stages.
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| 25. | Yellow fever is an infectious disease caused by a virus carried by mosquitoes.
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| 26. | In 1841 a ship brought yellow fever to St . Joseph.
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| 27. | He did this by controlling the mosquitoes that spread malaria and yellow fever.
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| 28. | It provided care for sick seamen and area yellow fever victims.
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| 29. | His brother Zachary also died of Yellow Fever two days later.
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| 30. | Faget also noticed a key difference between malaria and yellow fever.
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