For six weeks, American doctor Kwan Kew Lai kept a blog, almost every day, while she volunteered at an Ebola treatment center in Liberia.
Ebola treatment centers are isolated, self-contained worlds, with their own grim rhythm: Every day, people stream in, terribly sick. And in the space of a few days, they either live or they die. Then the next wave arrives. Because the risk of infection from Ebola is so high, access to the ETUs has been severely limited. So we've had only brief glimpses into them.