[caption id="attachment_50518" align="aligncenter" width="900"] Drs. Ramakrishnan and Petri (pictured fourth and fifth from left) with “Team C. Diff” celebrating the award of the NIH grant.[/caption] One of the most common hospital-acquired infections in the U.S. is C. difficile infection (CDI), caused by a highly contagious bacterium that leads to diarrhea and colitis. It is estimated that one in five patients with CDI suffers a recurrence. To combat this potentially life-threatening inf...