Antibiotics save lives—but using them also helps antibiotic-resistant strains evolve and spread. Each year, antibiotic-resistant bacteria infect some 2.8 million people in the United States, killing more than 35,000, according to the Centers for Disease Control and Prevention. Infections by multidrug-resistant—or MDR—bacteria, which are resistant to two or more antibiotics, are particularly difficult to treat.
Click here for original story, Bacteria that are persistently resistant to one antibiotic are ‘primed’ to become multidrug-resistant bugs
Source: Phys.org