Spike in deaths in Darfur points to virus' invisible spread

In the sprawling refugee camps of Darfur, the war-scarred western region of Sudan, officials say the elderly are falling sick and dying at astonishing rates. In North Darfur’s provincial capital of El Fasher, some say they scroll through a dozen death announcements each day: Another old friend, relative, community leader lost with dizzying speed. The official causes of their untimely deaths remain “unknown.”