WHO Issues New TB Diagnostic Guidelines

On March 24, 2026, the World Health Organization marked World TB Day by issuing new guidelines urging countries to accelerate efforts to end tuberculosis through innovative diagnostic tools and expanded access to testing, emphasizing that the preventable and curable disease remains the world's deadliest infectious killer.

TB afflicted 10.7 million people globally in 2024, causing 1.23 million deaths, including over 3,300 daily fatalities and more than 29,000 new cases each day. Since 2000, international efforts have saved an estimated 83 million lives, but declining global health funding threatens to reverse these gains. The WHO's recommendations focus on portable, battery-powered tests that deliver results in under an hour at less than half the cost of traditional molecular diagnostics. These point-of-care devices bring testing closer to patients in clinics and communities, enabling quicker treatment starts and reducing transmission.

"These new tools could be truly transformative for tuberculosis, by bringing fast, accurate diagnosis closer to people, saving lives, curbing transmission and reducing costs," said WHO Director-General Dr. Tedros Adhanom Ghebreyesus. The guidelines...