Tuberculosis is a chronic infectious disease that seriously endangers public health today. Main symptoms of tuberculosis are cough, sputum, if these symptoms persist for more than 2 weeks, go to the hospital in time.
A considerable proportion of tuberculosis patients will have low-grade fever, but the fever of cold patients is often a high fever of more than 38 ° C and lasts relatively long. At present, the first dose of vaccine injected by newborns in China is BCG, which can allow newborns to obtain immunity against tuberculosis.