Supply of Salmonella O2 antisera , Salmonella O4 antisera , Salmonella Monovalent 09 antisera , Salmonella Monovalent Ha antisera , Salmonella Monovalent Hb antisera , Salmonella Monovalent Hd antisera , Salmonella Monovalent Hi antisera , Salmonella Vi antisera , Salmonella Poly O A G antisera , Vibrio cholerae Polyvalent antisera , Vibrio cholerae Ogawa Antisera , Vibrio cholerae Inaba Antisera , Shigella Polyvalent D Sonnei Antisera , Shigella Polyvalent B Flexneri Antisera , Shigella Polyvalent A Dysenteriae Antisera , Shigella Polyvalent C boydii Antisera