發病

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

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

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

incidence of a disease / disease rate

frequently reoccurring disease