All cases of human illness or death from Ebola have occurred in Africa (with the exception of several laboratory contamination cases: one in England and two in Russia). One travel-associated case was diagnosed in the United States on September 30, 2014. On October 12, 2014, a healthcare worker at Texas Presbyterian Hospital who provided care for the index patient has tested positive for Ebola. CDC confirms that the healthcare worker is positive for Ebola.

source: Centers for Disease Control and Prevention