MEDFORD, NY--(Marketwire - October 30, 2007) - Chembio Diagnostics, Inc. (OTCBB: CEMI) today announced that its Chief Executive Officer, Lawrence Siebert, will present at the upcoming Acumen BioFin Rodman & Renshaw 9th Annual Healthcare Conference. The presentation is scheduled for 2:20 PM (Eastern Time) on Monday, November 5, 2007. The event will be held from November 5-7, 2007 at the New York Palace Hotel in New York.