Xs02 (Sanroad)

Main objectives: 1. To evaluate the safety of different doses of EEC in healthy people, patients with pulmonary tuberculosis and patients with non-tuberculous lung diseases. 2. To preliminarily determine the positive diagnostic criteria for EEC; 3. To determine the optimal application dose of EEC. Secondary objectives: 1. To evaluate the diagnostic consistency of different doses of EEC and control EC in patients with pulmonary tuberculosis aged 18-65 years; 2. To evaluate the diagnostic consistency of different doses of EEC and control EC in healthy people aged 18-65 years and patients with non-tuberculous lung diseases; 3. To evaluate the consistency of different doses of EEC, control EC and QFT test results in healthy people, patients with pulmonary tuberculosis and patients with non-tuberculous lung diseases.

Primary objective: To evaluate the safety and tolerability of different doses of recombinant Mycobacterium tuberculosis fusion protein (EEC) in healthy people aged 18-65 years and patients with tuberculosis. Secondary objective: To preliminarily evaluate the allergic reaction of recombinant Mycobacterium tuberculosis fusion protein (EEC) in healthy people aged 18-65 years and patients with pulmonary tuberculosis.