MEDFORD, N.Y.--(BUSINESS WIRE)--Feb. 23, 2006--The Nigerian Ministry of Health announced this week that Chembio Diagnostics, Inc.'s (OTCBB:CEMI) HIV 1/2 STAT-PAK(TM) is designated as a screening test in four out of the eight testing protocols that comprise Nigeria's Interim National Testing Algorithm. Nigeria is initially implementing a "parallel testing algorithm", and as such uses two screening tests from different manufacturers on each patient tested. This program is being launched very soon to quickly and accurately identify HIV positive individuals so that treatment goals can be achieved.