| multiple sites of exposure in an outbreak of ornithosis in workers at a poultry abattoir and farm. | cases of ornithosis amongst workers on a rural duck abattoir and farm were notified from late 2003 to health authorities in victoria, australia. in may 2004 we conducted a serological survey to identify the extent of exposure to chlamydophila psittaci amongst workers and a case control study to identify high-risk work areas for ornithosis-related pneumonia. some workers in all occupational groups showed serological evidence of exposure, while those with pneumonia were more likely to have worked ... | 2007 | 17274860 |