Alere Scarborough, Inc.

Mary K Konstantin

Elena Valentin Molokova

Norman James Moore

Vladimir Andrei Koulchin

Disclosed is a cell wall C-polysaccharide antigen ofwhich contains not more than 10% by weight of protein, and preferably less which has been purified with 0.1N Na OH prior to deproteinizing. Also disclosed are polyvalent antibodies raised againstwhich have been affinity purified by passing them over a chromatographic affinity matrix to which is coupled the purified and at least partially deproteinized antigen to render them antigen-specific.

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Cumberland Center, ME, United States of America

Mary K Konstantin