单语范例（未经PONS编辑处理）
Frequent outbreaks of Ebola may have resulted in the deaths of 5,000 gorillas.
en.wikipedia.org Only one of the eight infected patients died, compared to a typical 80% Ebola mortality, which suggested that antibody treatment may contribute to survival.
en.wikipedia.org Types of bleeding known to occur with Ebola virus disease include vomiting blood, coughing it up or blood in the stool.
en.wikipedia.org At the time, at least 50 suspected cases of Ebola with five deaths had been reported.
en.wikipedia.org Three species of bats tested positive for Ebola, but had no symptoms of the virus.
en.wikipedia.org