Salmonella poly antiserum Febrile control antisera Helps in the detection of diseases such as salmonellosis, brucellosis and rickettsial diseases Qualitative and semi-quantitative slide or tube agglutination tests for homologous antibodies Used along with febrile antigens as positive or negative controls Shigella antiserum poly group For identification of morphologically and biochemically identified Shigella species Can be used only in slide agglutination test Lyophilized, polyclonal rabbit antisera