SEARCHED TERM
Exposed cohort
DEFINITION
Groups of persons (e.g., family members, co-workers, friends, club, team or choir members, persons in correctional facilities, children in orphanages and other institutional living settings, or homeless shelter residents) who have shared the same air space with a person diagnosed with tuberculosis during the infectious period. A person in the exposed cohort is a contact.
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SOURCE DEFINITION
Groups of persons (e.g., family members, co-workers, friends, club, team or choir members, persons in correctional facilities, or homeless shelter residents) who have shared the same air space with the suspected patient with TB disease during the infectious period. A person in the exposed cohort is a contact.
OTHER DEFINITIONS
Group of people who shared the same air space with a TB patient during the patient’s infectious period. An outbreak investigation focuses on defining the exposed cohort for infectious TB patients in order to identify contacts that need to be screened for TB and latent TB infection.
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