Tuberculosis sputum test negative blood test transmission

Tuberculosis patients, if sputum smear negative for acid-fast bacilli, this situation is generally called non-excretion, this situation is not infectious, so there is no need for excessive tension and anxiety, we need to know tuberculosis, it is mainly transmitted through the air, that is to say, if our sputum is positive, it is possible to expel this bacteria containing Mycobacterium tuberculosis through loud talking, laughing, sneezing and expectoration. If this detail infects other people, other people breathe into the lungs, it may lead to tuberculosis infection. If the sputum test is negative, tuberculosis is not infectious in this case. There is no need to be overly nervous and worried. The most critical measures to prevent tuberculosis are mainly to actively treat tuberculosis patients. At the same time, attention should be paid to maintaining environmental ventilation. If there is a discharge of bacteria, wear a mask.