Clinical Study of Recombinant Mycobacterium Tuberculosis Fusion Protein for 65-year-olds and Above

Inclusion Criteria: * 65 years old and above (≥ 65 years old), male or female, the subjects themselves voluntarily participate in this study, sign the informed consent form, and can understand and comply with the requirements of the trial protocol to participate in follow-up. * Normal underarm body temperature (\< 37.3 °C); * Tuberculosis patients: pulmonary tuberculosis patients and extrapulmonary tuberculosis patients diagnosed by researchers as confirmed cases of tuberculosis and clinically diagnosed cases. Refer to the "WS288-2017 Tuberculosis Diagnostic Criteria" to formulate the diagnostic criteria for pulmonary tuberculosis in this protocol, see Annex 1 for details; The diagnostic criteria for extrapulmonary tuberculosis were formulated with reference to the Technical Guidelines for Tuberculosis Prevention and Control in China (2021 edition of the Chinese Center for Disease Control and Prevention), as detailed in Annex 2. * Non-tuberculous community population with other lung diseases: there is a clear lung disease, but the study physician can exclude pulmonary tuberculosis based on the patient's clinical manifestations, chest imaging and laboratory tests. Diagnostic criteria for their main types of nontuberculous other lung diseases can be found in Annex 3; * Community healthy people without other lung diseases: those who have no history of tuberculosis, no suspicious symptoms of tuberculosis, no history of respiratory tract and recent respiratory symptoms, and no ob…