- 問題詳情:AnAmericandoctor,GraigSpencer,whoreturnedtoNewYorkCityfromWestAfrica,hastestedpositive(陽*的)forEbola(埃博拉),theNewYorkTimesreported.HewasworkingforanorganizationinGuinea,oneofthethreeWestAfricancountrieshardesthitbyEbola.DoctorSpencerwenttoGu...
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