World Tuberculosis Day
Light Up in Red!
Across the globe and across California, on March 24 each year, landmarks are lit in red. On March 24, 1882, Dr. Robert Koch discovered the TB bacillus, a pivotal moment in the fight against TB. A century later, the World Health Organization (WHO) and the International Union Against TB and Lung Disease (IUATLD) designated March 24 World TB Day to raise awareness of the ongoing global challenge of TB.
Organizations and communities worldwide come together to educate, advocate, and take action against TB. Access current and past World TB Day resources by using the links to the below.
2026 Resources
California TB Elimination Heroes Honored
Each year CTCA recognizes dedicated individuals and organizations, nominated by their pubic health colleagues across the state for leading TB prevention and elimination in California. CTCA congratulates these 2026 recipients: www.ctca.org/tb-heroes.
The California Department of Public Health published the Tuberculosis in California 2025 Snapshot.
The CDC published the Provisional 2025 Data for the United States on March 23, 2026.