As tuberculosis cases rise in the US and worldwide, health officials puzzle over the resurgence of a disease once in decline

A microscopic view of Mycobacterium tuberculosis, the bacteria that causes tuberculosis. koto_feja/E+ via Getty Images – By Karen Dobos, Professor of Microbiology, Colorado State University and by Marcela Henao-Tamayo, Associate Professor of Microbiology & Immunology, Colorado State University Published: 2025 Mar 06 – …