Chembio Diagnostics, Inc. (OTC BB: CEMI) announced today that, based on preliminary data, it expects to report revenue of approximately $3.93 million for the full year 2005 and $1.33 million for the fourth quarter of 2005. This reflects an increase of approximately 19% compared to the $3.31 million reported for the 2004 year and an increase of approximately 15% compared to $1.16 million reported for the fourth quarter of 2004.