About 1 percent of these more serious cases develop hemorrhagic fever or shock, with gastrointestinal bleeding and, in rare cases, brain hemorrhages and death.
About 1 percent of these more serious cases develop hemorrhagic fever or shock, with gastrointestinal bleeding and, in rare cases, brain hemorrhages and death.
大约百分之一的严重病患会发展为出血性高烧或休克，并伴随有胃肠出血，极少数病例会出现脑部出血及死亡。