The conference will focus on HIV diagnostic testing in laboratories, public health programs and clinical practice, and has expanded to focus on STI and HCV testing. The conference fosters the development and use of new testing technology in the United States. It offers an opportunity for attendees to become familiar with test performance data, best practices, and implementation of testing algorithms, quality assurance, and the application of newer tests in a variety of settings. Attendees include public health officials, laboratorians, HIV/STI/HCV testing program managers, surveillance coordinators and industry representatives. More than 300 professionals from all aspects of HIV, HCV, and STI diagnostic testing attend this conference which features oral presentations, poster sessions, panel discussions, testing technology exhibits and networking opportunities.