{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,7,29]],"date-time":"2024-07-29T18:28:13Z","timestamp":1722277693163},"reference-count":28,"publisher":"Springer Science and Business Media LLC","issue":"1","content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Parasites Vectors"],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Canine leishmaniosis (CanL) is an endemic zoonosis in the southern regions of Europe. This paper reports the trend in CanL seroprevalence in the municipality of \u00c9vora (southern Portugal), where the disease is endemic, over a period of 20 years. The work comprises three different studies that were conducted in the years of 1990 (n = 3,614), 1999 (n = 3,563) and 2010 (n = 1,485 dogs). Blood samples were collected during the anti-rabies vaccination campaigns. Anti-<jats:italic>Leishmania<\/jats:italic>antibodies were detected with the direct agglutination test (DAT).<\/jats:p><\/jats:sec><jats:sec><jats:title>Findings<\/jats:title><jats:p>The total percentages of DAT seropositive dogs were 3.9% (in 1990), 9.4% (in 1999) and 5.6% (in 2010). The overall seroprevalence was significantly higher in 1999 compared to 1990, but in 2010 a significant decrease was found in comparison with 1999. However, compared to 1990 the overall seroprevalence was still significantly higher in 2010. From 1990 to 2010 seroprevalence has switched from significantly lower to higher in the rural areas. Relatively few dogs showed clinical signs of overt disease (0.8% to 2.0%) with lymphadenopathy, onychogryphosis and skin involvement as most frequently observed. Gender associated differences in seroprevalence were not found, and most commonly seropositive dogs were working or stray animals. The mean age of seropositive dogs was significantly higher than seronegative dogs in all three sampling rounds.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>A high proportion of dogs, which are apparently healthy, yet seropositive, may remain an important factor in limiting the outcome of zoonotic leishmaniosis control efforts.<\/jats:p><\/jats:sec>","DOI":"10.1186\/1756-3305-6-100","type":"journal-article","created":{"date-parts":[[2013,4,15]],"date-time":"2013-04-15T08:14:13Z","timestamp":1366013653000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Seroepidemiology of canine leishmaniosis in \u00c9vora (southern Portugal): 20-year trends"],"prefix":"10.1186","volume":"6","author":[{"given":"Henk DFH","family":"Schallig","sequence":"first","affiliation":[]},{"given":"Lu\u00eds","family":"Cardoso","sequence":"additional","affiliation":[]},{"given":"Saul J","family":"Semi\u00e3o-Santos","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2013,4,15]]},"reference":[{"key":"897_CR1","doi-asserted-by":"publisher","first-page":"871","DOI":"10.1086\/382077","volume":"38","author":"PJ Hotez","year":"2004","unstructured":"Hotez PJ, Remme JH, Buss P, Alleyne G, Morel C, Breman JG: Combating tropical infectious diseases: report of the disease control priorities in developing countries project. 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