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| 2014 Ebola Virus in West Africa timeline of reported cases and deaths ： ウィキペディア英語版 |
2014 Ebola Virus in West Africa timeline of reported cases and deaths
In March 2014, the World Health Organization (WHO) reported a major Ebola outbreak in Guinea, a western African nation. The disease then rapidly spread to the neighboring countries of Liberia and Sierra Leone with smaller outbreaks occurring in Senegal, Nigeria, and Mali.It is the largest Ebola outbreak ever documented, and the first recorded in the region.〔
==West Africa Ebola outbreak==
Researchers believe that a 2-year-old boy was the index case of the current Ebola virus disease epidemic. He died in December 2013 in the village of Meliandou, Guéckédou Prefecture. His mother, sister, and grandmother then became ill with similar symptoms and also died. Although Ebola represents a significant public health problem in sub-Saharan Africa and was documented in Tai Forest chimpanzees, only one case had been reported in humans in West Africa. With this background and in the context of poor public health systems, the early cases were mis-diagnosed as diseases more common to the area. Thus Ebola virus disease spread for several months before it was recognized as such. In late October 2014, the child was identified as Emile Ouamouno. In a Tuesday, December 30, 2014 online world news story article by Richard Ingham from the Agence France-Presse (AFP) that was featured on the MSN homepage, it was revealed that a tree in the area where children had played at, playing with insect-eating free-tailed bats and hunting and grilling them to eat (they are a cousin of another well-known Ebola reservoir, the fruit bat, whose role in this outbreak is not as clear), is believed to be the point where human infection – likely by the bats – with Ebola in this current outbreak occurred, the 'ground zero' of the epidemic. This is not yet known decisively, but scientists have enough knowledge to go public with the story.〔(【引用サイトリンク】title=Hollow tree was Ebola's Ground Zero: scientists )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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