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The stage of subclinical disease running from exposure to the onset of symptoms carries which name when the illness is a chronic disease?
AThe convalescent period of illness
BThe infectious period of the host
CThe latency period of the disease
DThe incubation period of the disease
Answer & Solution
Correct answer: C. The latency period of the disease
1. After exposure, pathological changes begin before the person notices anything.
2. That silent stage runs from exposure to the onset of symptoms.
3. For infectious diseases it is named the incubation period; for chronic diseases it is named the latency period.
4. The convalescent period follows illness rather than preceding it, so it names the wrong end of the timeline.
_Source: CDC Principles of Epidemiology in Public Health Practice, 3rd Edition, section Natural History and Spectrum of Disease_
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