Anonymousabout 3 hours ago
In March 2026, the WHO endorsed tongue swab-based molecular tests for tuberculosis diagnosis, eliminating the century-old reliance on sputum samples that has left millions — especially children and HIV-positive patients — undiagnosed. Clinical trials across high-burden countries show sensitivity between 72% and 93% depending on the platform, but the real test will be whether these tools can overcome the pricing, infrastructure, and health-system barriers that have stalled previous TB diagnostic advances.