- 問題詳情:ThedeadliestEbolaoutbreakinhistorythathassofarkilledalmost1000peopleinGuinea,Liberia,SierraLeoneandNigeriainWestAfricahascausedfeararoundtheworld.Theoutbreakisunprecedented(空前的)bothininfectionnumbersandingeographicscope.OfficialsfromtheWorld...
- 15374