Tulane University Sep 17 2025 Tulane University researchers have developed an enhanced CRISPR-based tuberculosis test that works with a simple tongue swab, a potential breakthrough that could allow easier, community-based screenings for the world's deadliest infectious disease. Current TB tests rely on sputum, mucus collected from the lungs and lower respiratory system. While rich in TB bacteria required for testing, collecting sputum is difficult, making it inefficient for large-scale