It can prevent with diluted live vaccine (in Estonia 3 to 5 days children and 8 years old children, when their tuberculosis test is negative). Tuberculosis symptoms are long-term little temperature, tiredness, workability gets weaker, appetite falling, sweating at night, bigger exitement, cough and sputum. Essentials healing methods are against tuberculosis preparations. Surgical treatment is also used. Treatment's duration is about 6 month. Sputum exploration comfirms diagnosis.