The Prevent TB app has a login for the Outreach Worker who would Register Screen the contact patients & basis the symptoms recorded they can refer them to a TB or LTBI testing facility. The App also has a login for the Facility or Lab User who will have ‘Referred Cases’ module. The contacts which were referred for testing by the Outreach Worker will be found under that module. The Facility user can record the test results & If the result is positive the treatment can be initiated for that contact patient.