The Mathematics of Ebola Trigger Stark Warnings: Act Now or Regret ItWithout immediate action, Ebola could claim tens to hundreds of thousands more lives by the end of 2014. The Ebola epidemic in Africa has continued to expand since I last wrote about it, and as of a week ago, has accounted for more than 4,200 cases and 2,200 deaths in five countries: Guinea, Liberia, Nigeria, Senegal and Sierra Leone. That is extraordinary: Since the virus was discovered, no Ebola
