 BETHLEHEM, Pa., May 28, 2021 GLOBE NEWSWIRE -- OraSure Technologies, Inc. NASDAQ: OSUR, a leader in point of care diagnostic tests, specimen collection devices, microbiome laboratory and analytical services, today announced that Dr. Stephen S. Tang, President and CEO, will participate in a fireside chat at the Jefferies Virtual Healthcare Conference. The conference will be simultaneously webcast over the Internet. 