A slide agglutination (SA) test was developed to determine the serogroup of isolates of Treponema hyodysenteriae of serogroups A to F. Rabbit antisera which are normally used for serogrouping T.

THE serum agglutinating factor for amboceptor-sensitized or FII (fraction II)-coated erythrocytes and latex particles is still thought to be specific for rheumatoid arthritis and closely allied ...