THE NOVEL H1N1 INFLUENZA

摘要

For years, scientists have been warning that an influenza pandemic could strike at any moment, triggering a global catastrophe on the order of the 1918 Spanish flu. They imagined the culprit wouldrnsurface in Asia-and, since 2003, have worried that the avian influenza strain H5N1 might be it. Health officials worldwide drafted one preparedness plan after another.