A deadly hospital superbug has evolved into a global force by weaponizing a genetic tool to wipe out its microbial competition. Eesearchers discovered that vancomycin-resistant Enterococcus faecium (VREfm) developed the ability to produce bacteriocins—natural bacterial toxins—to eliminate rival strains. Superbug Evolves in Hospitals Worldwide A drug-resistant bacterium commonly found in healthcare settings has evolved over [...] 
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