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By Mayo Clinic staffYellow fever results in death for 20 to 50 percent of those who develop severe disease. This usually occurs within two weeks from the start of infection. Complications during the toxic phase of a yellow fever infection include kidney and liver failure, jaundice, delirium and coma.
People who survive the infection recover gradually over a period of several weeks to months, usually without significant organ damage. During this time a person may experience fatigue and jaundice. Other complications include secondary bacterial infections, such as pneumonia, or blood infections.
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- Steckelberg JM (expert opinion). Mayo Clinic, Rochester, Minn. July 9, 2009.