The U.S. Food and Drug Administration today approved safety labeling changes for a class of antibiotics, called fluoroquinolones, to enhance warnings about their association with disabling and ...

Chemists found a way to identify a complex sugar molecule in the cell walls of Mycobacterium tuberculosis, the world's deadliest pathogen. This labeling could lead to simpler, faster TB tests.

Tuberculosis, the world's deadliest infectious disease, is estimated to infect around 10 million people each year, and kills more than 1 million annually. Once established in the lungs, the bacteria's ...

Macrophages infected with Mycobacterium tuberculosis were fixed and imaged at four hours and 72 h postinfection. (Scale bar, 4 μm.) LAM labeling with oxaziridines persists for up to 72 h. Images are ...