MEDFORD, NY -- (MARKET WIRE) -- May 14, 2007 -- Chembio Diagnostics, Inc. (OTCBB: CEMI) reported first-quarter 2007 financial results. The Company has scheduled a web-cast conference call for 2:00PM Eastern Daylight time on Tuesday May 15, 2007 to discuss the first quarter results. Details for the web-cast can be found at the end of this press release.