Local airflow patterns, not ventilation alone, can drive airborne tuberculosis spread

Tuberculosis (TB) is a leading cause of infectious disease deaths, claiming more than 1 million lives every year. It spreads through the air when an infected person coughs, sneezes or exhales, and drug-resistant strains and asymptomatic spreading are growing concerns. Curbing TB transmission is an urgent public health challenge, yet scientists still don't understand how airflow and other environmental factors influence that spread.

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