發病率

incidence of a disease / disease rate

illness / CL:場|场[chang2] / disease / to fall ill / defect

rate / frequency

to lead / to command / rash / hasty / frank / straightforward / generally / usually

to send out / to show (one's feeling) / to issue / to develop / to make a bundle of money / classifier for gunshots (rounds)

(of an illness) to occur / (of a person) to get sick; to fall ill / onset (of a medical condition)