| prevalence of antibodies to coxiella burnetii among farming population in eastern poland. | the presence of blood serum antibodies to coxiella burnetii phase i antigen, indicative of chronic q fever or convalescence, was found by indirect immuno-fluorescent test in 16 out of 90 examined farmers (17.8 %) living in the lublin region (eastern poland) and in none of 30 examined urban blood donors living in the city of lublin (p < 0.05). in both groups no antibodies to c. burnetii phase ii antigen, indicative of acute q fever, were detected. the frequency of antibodies among farmers was gre ... | 2003 | 14677923 |