| serologic study of two clusters of infection due to campylobacter jejuni. | the serologic responses to campylobacter jejuni in persons involved in two clusters of infection and in control subjects were studied. in the first cluster, in which previously unexposed persons drank raw milk, the attack rate was high and elevated complement-fixing (cf) and specific igg and igm antibodies were demonstrated. in the second cluster, involving farmers who chronically drank raw milk, the attack rate was low, but titers of cf and igg antibodies were high in both affected and unaffect ... | 1983 | 6842019 |