What's More Activity A Copy the table below on a separate sheet of paper. Fill in the necessary information on the Four Phases of Infection. Do not write anything on the module. Phases of Infection Short Explanation 1. 2. 3. 4.
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1. Incubation
The incubation stage includes the time from exposure to an infectious agent until the onset of symptoms.
2. Prodromal
The prodromal stage refers to the period after incubation and before the characteristic symptoms of infection occur.
People can also transmit infections during the prodromal stage.
3. Illness
The third stage of infection is an illness or clinical disease. This stage includes the time when a person shows apparent symptoms of an infectious disease.
4. Decline
During the decline stage, the immune system mounts a successful defense against the pathogens, and the number of infectious particles decreases.