Gayatri Vedantam and Glenn S. Tillotson | May 1, 2011 | 9 min read
By Gayatri Vedantam and Glenn S. Tillotson Wrestling with Recurrent Infections Clostridium difficile is evolving more robust toxicity, repeatedly attacking its victims, and driving the search for alternative therapies to fight the infection. photoillustration by Sean Mccabe; Science Photo Library (boy); Sebastian Kaulitzki/ Istockphoto.com (Intestines); Olena Timashova/Istockphoto.com (Green bacteria); Jiri Flogel/Istockphoto.com (Blue bacteria) As infectiou