PositiveThe Washington Post...[a] harrowing, horrifying new book ... Knowing, as we do, that the 2014 Ebola outbreak did reach the United States and infected health-care workers here, and nearly spread to Lagos, Nigeria, a city of 20 million, before it was snuffed out, does nothing to diminish the power of Crisis in the Red Zone. A major flaw of the work, in fact, is that Preston barely mentions the world beyond Kenema ... Nor do we see the delayed response by the World Health Organization and parts of the U.S. government ... The book ends on a hopeful note, citing the research that, at the time, was leading to the development of cures and vaccines. Now those advances are being put to work: More than 100,000 people have been given an experimental vaccine to protect them from the virus in the Congo outbreak.