About this trial
The goal of this observational study is to investigate the proportion of Mycobacterium tuberculosis (MTB) infection in school contacts of active tuberculosis (ATB) patients. The main questions it aims to answer are:
* the proportion of MTB infection among school contacts of ATB patients * risk factors related to tuberculosis (TB) infection * health economic evaluation of screening strategy
Eligibility criteria
Qualifiers
13 years old or above;
Students in junior middle school, high school and university;
Close contact of school active tuberculosis case (e.g. in the same classroom, in the same dormitory);
Himself/herself (together with his/her guardian for age under 18 years old) willing to participate in trial and sign informed consent.
Disqualifiers
Current clinical or sputum culture confirmed active tuberculosis
Have completed a full course of treatment for ATB or LTBI
Trial design
Treatments tested in this trial
- QuantiFERON-TB Gold (QFT) test
Treatment groups
Sponsors and collaborators
Huashan Hospital
Lead sponsor
Guizhou Center for Disease Control and Prevention
Collaborator