Antibodies to Yersinia enterocolitica in a healthy population in Tanzania.

A micro-agglutination technique was used for the detection of antibodies to Yersinia enterocolitica serogroups 03, 08 and 09 in sera from healthy individuals in Dar es Salaam, including 38 school children and 81 adults. Antibody titres greater than or equal to 128 to serogroup 03 were found in 2.6% of the children and 0.8% of the adults, and to serogroup 09 in 5.3% of the children and 2.5% of the adults. Antibody titres greater than or equal to 128 serogroup 08 were not detected.