SEARCHED TERM

Secondary (‘second generation’) transmission

RELATED TAGS Transmission

DEFINITION

Transmission of M. tuberculosis from a secondary tuberculosis case whose index case had also been identified.

RELATED TERMS

Index patient of tuberculosisSecondary case (of tuberculosis)

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SOURCE DEFINITION

Transmission of M. tuberculosis from persons with secondary cases (see secondary (TB) case). This creates a chain of transmission, and if secondary transmission is identified as part of a contact investigation, the scenario can be classified as an outbreak.

From: CDC
Year: 2005
Source: Guidelines for the Investigation of Contacts of Persons with Infectious Tuberculosis

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