The World Health Organization Nov 13 2025 Tuberculosis (TB) remains one of the world's deadliest infectious killers, claiming over 1.2 million lives and affecting an estimated 10.7 million people last year, according to the WHO Global Tuberculosis Report 2025 , released today. Despite measurable progress in diagnosis, treatment and innovation, persistent challenges in funding and equitable access to care threaten to reverse hard-won gains in the global fight against TB. Declines in the global