mode of transmission of tuberculosis
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Tuberculosis (TB) is transmitted from an infected person to a susceptible person in airborne particles, called droplet nuclei. These are 1–5 microns in diameter. These infectious droplet nuclei are tiny water droplets with the bacteria that are released when persons who have pulmonary or laryngeal tuberculosis cough, sneeze, laugh, shout etc. These tiny droplet nuclei remain suspended in the air for up to several hours. Tuberculosis bacteria, (Mycobacterium tuberculosis) however are transmitted through the air, not by surface contact. This means touching cannot spread the infection unless it is breathed in.
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tuberculosis is transmitted from an infected person to susceptible person in airborn particles called droplet nuclei.
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