Registration has opened for the 55th annual Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC) that will be held in San Diego, California from September 18-21, 2015. In addition, SIDP will be holding their annual meeting on Thursday, September 17th. To register for ICAAC, go to http://www.icaac.org. More information will be forthcoming on how to register for the SIDP meeting.