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TB Manual Chapter 10: Contact Investigation

A contact investigation is the process of identifying, examining, evaluating, and treating all persons who are at risk for infection with tuberculosis (TB) due to recent exposure to a newly diagnosed or suspect case. TB Manual Chapter 10: Contact Investigation provides guidelines for when to initiate a contact investigation, the time frames for key activities, estimation of infectious period, conducting index patient interviews, and if necessary, an outbreak investigation. It also provides guidance on management of data, evaluation of investigations, and assigning priorities to contacts after data is collected via index patient interviews.

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