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Control and prevention measures are numbered eleventh in the conceptual sequence of an outbreak investigation. When should they actually be put in place?
AOnly after the hypotheses have been tested
BOnly once active surveillance has restarted
CAs early as possible in the investigation
DAfter the written report has been issued
Answer & Solution
Correct answer: C. As early as possible in the investigation
1. The numbering of the thirteen steps is conceptual, and several steps often run at the same time.
2. The health department's first duty is to protect the public's health.
3. If suitable control measures are known and available, they should begin as early as possible, even before the investigation is launched.
4. A child with measles among susceptible children may prompt a vaccination campaign before anyone works out how that child was infected.
5. Waiting for hypothesis testing or for the final report would leave people exposed while the paperwork caught up.
_Source: CDC Principles of Epidemiology in Public Health Practice, 3rd Edition, section Step 11 Implement Control and Prevention Measures_
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