BBH 440: EXAM 2 Questions With Correct
Answers
Incubation Period (infectious diseases)- - answerthe time period between the invasion of the
infectious agent and the first appearance of a symptom or sign of the disease
Induction Period (Chronic non-infectious diseases)- - answerThe time required...
-can be useful in comparing different curves from different times/ locations
-can separate sample into subgroups
Example of outbreak magnitude in epi curve: - answer✔-this year's flu season
-able to compare curves from previous years to understand the magnitude of this years flu
outbreak
Outbreak time trend: - answer✔epidemic curves can provide a timeline or time trend of the
outbreak
-date of illness onset for first case
-date of illness onset for last case
-date when the outbreak peaked
Period of exposure/ incubation period for outbreak: - answer✔-epi curves can be used to estimate
incubation period of the disease, if the timing of the exposure is known
-time between the exposure and the peak of the epi curve represents the hypothesized average
incubation period
For common point source outbreaks with known incubation period: - answer✔-the probable date
of exposure and the probable period of exposure can be determined
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