Finding · as stated by the study, recorded by Coridum · status verified-machine

Finding F-0445

“Exposure to source TB cases under CO2 >1000 ppm indoor environment was a significant risk factor for contacts to become new infectious TB cases (P < .001).”

Effect of ventilation improvement during a tuberculosis outbreak in underventilated university buildings (2020). Indoor air. Page 1. CKB 7796

Structure

Factor
Carbon dioxide (CO₂)
Outcome
Tuberculosis
Population
university students and staff (outbreak contacts)
Setting
university classroom, TW
Study design
outbreak investigation with a contact cohort: 27 tuberculosis cases and 1665 contacts in underventilated university buildings in Taiwan, indoor CO2 measured before and after ventilation engineering, incidence of TB among contacts analysed with adjustment for contact investigation and latent TB infection treatment (class 3)
Sample
1665 participants

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