发病

发病

"发病" means "onset of illness" or "to fall ill."

Here, '发病' means 'to have an onset of illness' or 'to suddenly fall ill'.

他在早晨突然发病。

He suddenly had an onset of illness in the morning.

Here, '发病' is part of the phrase '发病率', which refers to 'incidence rate' or 'the frequency of a disease occurring'.

这种病发病率很低。

The incidence rate of this disease is very low.

In this context, '发病' is related to '引发病症', emphasizing the triggering or onset of symptoms of a disease.

噪音环境可能会引发病症的发展。

A noisy environment may trigger the development of a disease.