MEDFORD, N.Y., July 16, 2012 (GLOBE NEWSWIRE) -- Chembio Diagnostics, Inc. (Nasdaq:CEMI), a company that develops, manufactures, licenses and markets proprietary rapid diagnostic tests, will be exhibiting this week at the 2012 AACC Annual Meeting and Clinical Lab Expo, the largest dedicated clinical?laboratory meeting in the world. The Expo is being held July 17-19th at the Los Angeles Convention Center with an estimated 19,000 participants and more than 700 exhibiting companies.