| 11. | Nacional players got vaccinated last week against yellow fever, a problem in Venezuela.
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| 12. | The controversy on yellow fever continued well into the 19th century.
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| 13. | Twelve possible diseases were being investigated, including yellow fever and dengue.
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| 14. | Only 56 percent of 34 labs surveyed are able to diagnose yellow fever.
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| 15. | A yellow fever epidemic in Chattanooga caused an exodus in 1878.
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| 16. | Yellow fever is the most notorious disease caused by a flavivirus.
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| 17. | Yellow fever is endemic in some tropical areas of Africa and the Americas.
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| 18. | Major Nicholas would die from yellow fever on 27 August 1790.
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| 19. | Yellow fever : Required and recommended for travelers to endemic areas.
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| 20. | He is even better known for his work on Yellow Fever.
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