seroprevalence and risk factors of chlamydia psittaci infection in domestic geese anser domestica, in hainan province of china. | chlamydia psittaci, the agent of psittacosis in humans, infects a wide range of bird species. to assess the risk of psittacosis posed by domestic geese in china, the seroprevalence of c. psittaci infection in domestic geese in hainan province, tropical china was examined using indirect hemagglutination assay (iha). the overall seroprevalence was estimated at 25.6% (461/1800; 95% ci: 23.6-27.6). the c. psittaci seroprevalence ranged from 19% (95% ci: 14.6-23.4) to 34% (95% ci: 28.6-39.4) among di ... | 2015 | 25700712 |