incidences
The incidence of something, especially something bad such as a disease, is the frequency with which it occurs, or the occasions when it occurs.
The incidence of breast cancer increases with age.
乳腺癌的发病率随着年龄的增长而上升。
Excess fat is thought to be responsible for the high incidence of heart disease in Western countries.
人们认为西欧国家心脏病的高发病率与过度肥胖有关。
It is time for action to prevent increasing incidences of HIV infection in prisons.
是时候为防止监狱里越来越多的艾滋感染采取行动了。