BETHLEHEM, Pa., May 8, 2012 (GLOBE NEWSWIRE) -- OraSure Technologies, Inc. (Nasdaq:OSUR), the market leader in oral fluid diagnostics, announced that it will webcast its 2012 Annual Meeting of Stockholders beginning at 10:00 a.m. Eastern Time (7:00 a.m. Pacific Time) on Tuesday, May 15, 2012.