![Scientists map how deadly bacteria evolved to become epidemic](https://www.sciencedaily.com/images/scidaily-icon.png)
Scientists map how deadly bacteria evolved to become epidemic
Pseudomonas aeruginosa — an environmental bacteria that can cause devastating multidrug-resistant infections, particularly in people with underlying lung conditions — evolved rapidly and then spread globally over the last 200 years, probably driven by changes in human behaviour, a new study has found. P. aeruginosa is responsible for over 500,000 deaths per year around the…