Study participants provide WIC and after time for consideration, when they approve, provide demographic anonymized data.
The study population consists of six groups:
Group 1 - 20 TB patients aged \> 18 yrs Group 2 - 20 non---TB patients \> 18 yrs (screened for TB - other conditions) Group 3 - 20 patients with a lung disease - no TB suspects (Lung Clinics in Yogyakarta,Indonesia; Group 4 - 50 apparently healthy matched controls Group 5 - 20 newly diagnosed TB patients enrolled before start of treatment, to be followed over time, until after end of treatment (8 months FU).
Group 6 - 50 apparently healthy volunteers.
Study participants breath normally by mouthpiece into the device using a nose clamp - for 5 min during each sampling.
Electronic data are downloaded and transmitted by internet to Zutphen, Netherlands where data are processed to build the model.
