Senegalese fencer Abdoulaye Thiam (left) competed against Jason Rogers of the U.S. during the 2008 Olympics. Due to Ebola fears, a World Cup fencing event set for Senegal this month has been canceled. Philippe Desmazes/AFP/Getty Images hide caption

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Ebola Virus, Transmission Electron Micrograph Of The Ebola Virus, Rna Virus, Cause Of Hemorrhagic Fever. BSIP/UIG via Getty Images hide caption

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Nina Pham, 26, steps off a plane Thursday night at a municipal airport in Frederick, Md. An ambulance was waiting to take her to the National Institutes of Health in Bethesda, Md. Paul J. Richards/AFP/Getty Images hide caption

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At a CDC training session for clinicians headed to West Africa, a medical worker practices sanitizing hands after drawing blood from a mannequin portraying an Ebola patient. Brynn Anderson/AP hide caption

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During a news conference on Sunday, Texas Health Presbyterian Hospital Chief Clinical Officer Dr. Daniel Varga answers questions about a health care worker who now has Ebola after providing care for Thomas Eric Duncan. Varga is expected to testify before a House panel looking into Ebola response. Brandon Wade/AP hide caption

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Ebola is the latest issue to spill into debates this season. Colorado Sen. Mark Udall (left) has blamed Republicans for cutting government health resources. His opponent, Rep. Cory Gardner, says the CDC has been spending wastefully. Brennan Linsley/AP hide caption

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