Legionnaires’ disease bacteria lurk in tap water
Found in nearly half of faucets, contamination could explain sporadic cases of disease
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/02/bm_shutterstock_55320583_free.jpg?fit=860%2C460&ssl=1)
CONTAMINATED In a small U.S. study, researchers found that nearly half of the 68 water facuets sampled had traces of Legionella pneumophila, which causes Legionnaires’ disease.
Gemenacom/Shutterstock