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Despite the relatively recent discovery of feral swine involvement in the aetiology of a variety of pathogens, their propensity to transmit and carry a wide variety of pathogens is disconcerting. We examined sera from 2055 feral swine for antibody presence to six serovars of<jats:italic>Leptospira<\/jats:italic>that can also infect humans, livestock or domestic animals. About 13% of all samples tested positive for at least one serovar, suggesting that<jats:italic>Leptospira<\/jats:italic>infection is common in feral swine. Further studies to identify the proportion of actively infected animals are needed to more fully understand the risk they pose.<\/jats:p>","DOI":"10.1017\/s0950268814003148","type":"journal-article","created":{"date-parts":[[2014,12,18]],"date-time":"2014-12-18T20:56:39Z","timestamp":1418936199000},"page":"2131-2136","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":25,"title":["Widespread detection of antibodies to<i>Leptospira<\/i>in feral swine in the United States"],"prefix":"10.1017","volume":"143","author":[{"given":"K.","family":"PEDERSEN","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K. L.","family":"PABILONIA","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T. D.","family":"ANDERSON","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. 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