MEDFORD, NY--(Marketwire - February 26, 2008) - Chembio Diagnostics, Inc. (OTCBB: CEMI) announced today that it has acquired a worldwide, non-exclusive sublicense from Bio-Rad Laboratories, Inc. (AMEX: BIO) and (AMEX: BIOb), for patents relating to the Human Immunodeficiency Virus, Type 2, or HIV-2. Bio-Rad is the exclusive licensee of Institute Pasteur of Paris, France, under the HIV-2 patents.