chap14 stages of an infectious disease

incubation period

(1) silence stage time between infection and the appearence of signs and symptoms of the disease

prodromal phase

(2) pathogens begin to invade tissues

invasive phase

(3) the individual experience the typical signs and symptoms of the disease they reach their great intensity

decline phase

(4) decline phase host defenses overcome pathogens secondary infections may occur

convalescence phase

(5) tissue damage is repair and the patient regains strength