| Though the WNV encephalitis in horses is rare, a considerable mortality rate is reported in the case of encephalitic horses. |
| Subarachnoid hemorrhage associated with aneurysmal rupture is a potentially lethal event with a mortality rate as high as 50 percent. |
| Using this information, Nightingale computed a mortality rate of 1,174 per 10,000 with 1,023 per 10,000 being from zymotic diseases. |
| Low prevalence is due to a low incidence of the disease but also a high mortality rate. |
| The mortality rate within the ghettos rose and people expired on the street. |
| The under-fives mortality rate had fallen steadily to 56 deaths per 1,000 births. |
