Its the time when either a living or mineral protion of body either exceeds or decrease then needed quantity.
It will depend upon the virulence of the infecting agent from a few hours to a few weeks
If referring to an illness, it is after the incubation period, the stage of the illness where the symptoms are the most severe, before recovery or convalesense.
2-3 weeks
Whooping cough has four stages that partially overlap: incubation, catarrhal stage, paroxysmal stage, and convalescent stage.
Incubation.
incubation
The period of recovery or getting better after an illness.
study the function during the disease stage or illness
radiation poisoning, radiation sickness or radiation toxicity
There are four stages of infection. Incubation period (first symptoms),the prodromal stage(symptom go from vague to specific), the illness stage(specific symptoms),and finally convalescence (as the infection disappears).
No active or prior infection; not immune - may be good candidate for vaccine; possibly in the incubation stage..
During the incubation period a person is exposed to a disease may not show symptoms
Convalescence is the gradual recovery of health and strength after an illness.