Flu and Ebola
Seasonal influenza and Ebola virus infection can cause some similar symptoms. However, of these viruses, your symptoms are most likely caused by seasonal influenza. Influenza is very common. Millions of people are infected, hundreds of thousands are hospitalized and thousands die from flu each year. In the United States, fall and winter is the time for flu. While the exact timing and duration of flu seasons vary, outbreaks often begin in October and can last as late as May. Most of the time flu activity peaks between December and February. Information about current levels of U.S. flu activity is available in CDC’s weekly FluView report.
In the United States, infections with Ebola virus have been exceedingly uncommon. There is widespread transmission of Ebola virus disease in West Africa.
It is usually not possible to determine whether a patient has seasonal influenza or Ebola infection based on symptoms alone. However, there are tests to detect seasonal influenza and Ebola infection. Your doctor will determine if you should be tested for these illnesses based on your symptoms, clinical presentation and recent travel or exposure history. (For information regarding the signs and symptoms of Ebola, and whether you may need to be tested, please review the Ebola case definitions.)
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