1. Incubation. The incubation stage includes the time from exposure to an infectious agent until the onset of symptoms.
STAGE 1: INCUBATION PERIOD This refers to the time elapsed between exposure to a pathogenic organism, and from when symptoms and signs are first apparent.
The five periods of disease (sometimes referred to as stages or phases) include the incubation, prodromal, illness, decline, and convalescence periods (Figure 2). The incubation period occurs in an acute disease after the initial entry of the pathogen into the host (patient).
The natural history of an untreated communicable disease has four stages: stage of exposure, stage of infection, stage of infectious disease, and stage of outcome.
The five periods of disease (sometimes referred to as stages or phases) include the incubation, prodromal, illness, decline, and convalescence periods (Figure 12.2. 1). The incubation period occurs in an acute disease after the initial entry of the pathogen into the host (patient).
Listen to pronunciation. (LAY-ten-see PEER-ee-ud) The time that passes between being exposed to something that can cause disease (such as radiation or a virus) and having symptoms.
The term "prodrome " refers to the early stage and symptoms of any condition. Here, a person might notice changes in the way they feel, think, or behave. However, they won't experience symptoms such as disorganized thought or behavior, hallucinations, or delusions.
The term “incubation period” describes the time between a virus entering a person's body (infection) and the first appearance of disease symptoms.
The different phases in infections include: Infective period. Communicability period.