African officials report 14 new cases , bringing total in that country to 2,473 . Meanwhile , the disease 's infectious nature has health officials around the globe on high alert . Liberia has closed its borders with Senegal over fears about the Ebola outbreak . So far , 2,473 suspected Ebola cases haven been reported to WHO . Ebola outbreak has been vastly underestimated , WHO says .
African officials report 14 new cases , bringing total in that country to 2,473 . Liberia has closed its borders with Senegal over fears about the Ebola outbreak . So far , 2,473 suspected Ebola cases haven been reported to WHO . Ebola outbreak has been vastly underestimated , WHO says .