{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T03:29:51Z","timestamp":1781234991392,"version":"3.54.1"},"reference-count":25,"publisher":"Springer Science and Business Media LLC","issue":"1","content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Vet Res"],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background<\/jats:title>\n            <jats:p>Chlamydiaceae is a family of obligate intracellular pathogens with a worldwide distribution in many animal species, including humans. No information exists on the prevalence of <jats:italic>Chlamydia felis<\/jats:italic> infections in cats and dogs in Lanzhou, the geographical center of China. The aim of this study was to carry out a census of cats and dogs in Lanzhou and document the seroprevalence of <jats:italic>C. felis<\/jats:italic> exposure in these companion animals.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>In this study, blood samples were collected from 485 animals (221 cats and 264 pet dogs) in Lanzhou between November 2010 and July 2011 to identify antibodies against <jats:italic>C. felis<\/jats:italic>. Thirteen of 221 (5.9%) cats and 32 of 264 (12.1%) pet dogs were positive for <jats:italic>C. felis<\/jats:italic> infection using indirect hemagglutination at a cutoff of 1:16. The seroprevalence in household and stray cats was 3.9% and 14.3%, respectively, and the difference was statistically significant (<jats:italic>P\u2009&lt;<\/jats:italic>\u20090.05). Among different age groups, the seroprevalence in cats varied from 1.9 to 7.9%, and that in dogs ranged from 9.6 to 20.4%; however, the differences were not statistically significant (<jats:italic>P\u2009&gt;<\/jats:italic>\u20090.05).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>This is the first report of the seroprevalence of <jats:italic>C. felis<\/jats:italic> exposure in cats and dogs in Lanzhou, northwestern China. Our results indicate that the presence of <jats:italic>C. felis<\/jats:italic> exposure in cats and dogs may pose a potential threat to human health.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1746-6148-9-104","type":"journal-article","created":{"date-parts":[[2013,5,21]],"date-time":"2013-05-21T08:14:40Z","timestamp":1369124080000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":31,"title":["Chlamydia felis exposure in companion dogs and cats in Lanzhou, China: a public health concern"],"prefix":"10.1186","volume":"9","author":[{"given":"Song-Ming","family":"Wu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Si-Yang","family":"Huang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min-Jun","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dong-Hui","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hui-Qun","family":"Song","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xing-Quan","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2013,5,21]]},"reference":[{"issue":"1","key":"671_CR1","first-page":"2","volume":"21","author":"PE Shewen","year":"1980","unstructured":"Shewen PE: Chlamydial infection in animals: a review. 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