Contact investigations for tuberculosis
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      The Self-Study Modules on Tuberculosis are a series of educational modules designed to provide information about TB in a self-study format. The series consists of a total of nine modules that are separated into two courses. The first course, Modules 1-5, provides basic information on TB. The second course, Modules 6-9, provides more specific TB programmatic information. In this module, you will learn about tuberculosis (TB) contact investigations. Persons who have been exposed to a case of infectious TB disease are known as TB contacts. A TB contact investigation is a TB control strategy used to identify, find, and assess TB contacts and provide appropriate treatment for latent TB infection (LTBI) or TB disease, if needed. Effective contact investigations interrupt the spread of TB in communities and help prevent outbreaks of TB. Guidelines for TB contact investigations and management of TB contacts were published in 2005. For more detailed information, please refer to the Centers for Disease Control and Prevention (CDC) Guidelines for the Investigation of Contacts of Persons with Infectious Tuberculosis, available from the CDC website (
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