Tb-(10190934-public).7z

: The bacteria remain "dormant" in the body. The person has no symptoms and cannot spread the disease to others.

: Common diagnostic tools include the Mantoux tuberculin skin test (TST) , developed in 1909, and more modern blood tests like the Interferon-gamma release assay (IGRA) . TB-(10190934-Public).7z

: About one-quarter of the global population is estimated to be infected with TB bacteria. However, only 5–10% of those infected will develop active symptoms in their lifetime. Diagnosis and Prevention : The bacteria remain "dormant" in the body

: TB is airborne . It spreads when an infected person coughs, sneezes, or speaks, releasing tiny droplets that others breathe in. It is not spread by shaking hands or sharing food. developed in 1909