Related Articles

The 25th known outbreak of Ebola virus infection is unlike any of the previous epidemics. It has already killed over 2800 people - more than all previous epidemics combined; it's affecting virtually the entire territory of three countries, involving rural areas, major urban centers, and capital cities; it has been going on for almost a year; and it is occurring in West Africa, where no Ebola outbreak had previously occurred.

Above all, the epidemic seems out of control and has evolved into a major humanitarian crisis that has finally mobilized the world, with responses ranging from an emergency health mission . . .