[20151006]IF10300_西非埃博拉病毒：消除问题.pdf

https:/crsreports.congress.gov October 6, 2015Ebola in West Africa: Issues with EliminationIntroduction In January 2014, an Ebola outbreak began in Guinea, West Africa. As of September 20, 2015, more than 28,000 people have been sickened by the disease, including over 11,000 deaths. Nearly all of those cases and deaths have occurred in Guinea, Liberia, and Sierra Leone. Cases have also been discovered and contained in Mali, Nigeria, Senegal, as well as Britain, Italy, Spain, and the United States. The outbreak is ongoing, but at a significantly decelerated pace (Error! Reference source not found.). Since July 2015, weekly incidence has remained below 10 cases and in the week ending on October 4, 2015, no new cases were detected for the first time since March 2014. The World Health Organization (WHO) announced that the outbreak had ended in Liberia on September 3, 2015, and that no new cases had been detected in Sierra Leone since September 13, 2015. Figure 1. Weekly Ebola Cases: 01/2014-10/2015 (Guinea and Sierra Leone) Source: WHO, Ebola Situation Report, April 29, 2015 and October 7, 2015. Notes: The April 29, 2015, Ebola Situation Report was the last one that included a graphic