KENILWORTH, N.J. & BETHLEHEM, Pa.--(BUSINESS WIRE)--Schering-Plough Corporation (NYSE:SGP) and OraSure Technologies, Inc. (NASDAQ:OSUR) today announced an agreement to collaborate on the development and promotion of a rapid oral test for the detection of antibodies to the hepatitis C virus (HCV) utilizing OraSure Technologies’ OraQuick® technology platform.