Tuberculosis vaccine means BCG vaccine, and the cost is usually about 100 yuan, which varies from place to place and from manufacturer to manufacturer of the vaccine. For BCG vaccine, it cannot prevent TB completely, but only partially, and it can reduce the incidence of TB meningitis. You should not think that you will not get TB after getting BCG vaccine. Therefore, it is necessary to pay attention to isolation treatment for TB patients, and to pay attention to personal protection. It is necessary to wear a mask for contact with TB patients and to manage the sputum of TB patients to prevent cross-contamination to others.