{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,22]],"date-time":"2026-04-22T08:44:11Z","timestamp":1776847451266,"version":"3.51.2"},"reference-count":29,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2018,8,21]],"date-time":"2018-08-21T00:00:00Z","timestamp":1534809600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100007306","name":"Arizona Department of Health Services","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100007306","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000030","name":"Centers for Disease Control and Prevention","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000030","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100008883","name":"Northern Arizona University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008883","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100007899","name":"University of Arizona","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100007899","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Zoonoses and Public Health"],"published-print":{"date-parts":[[2018,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Rocky Mountain spotted fever (RMSF) is a severe tick\u2010borne rickettsial illness. In the south\u2010western United States and Mexico, RMSF displays unique epidemiologic and ecologic characteristics, including <jats:italic>Rhipicephalus sanguineus<\/jats:italic> sensu<jats:italic> lato<\/jats:italic> (brown dog tick) as the primary vector. Expansion and spread of the disease from hyperendemic regions of Arizona or Mexico to new areas is a key public health concern. Dogs are thought to play an important role in the emergence and circulation of <jats:italic>R.\u00a0rickettsii<\/jats:italic> in these regions and are often one of earliest indicators of RMSF presence. A canine serosurvey was conducted in 2015 among owned and stray dogs at rabies clinic and animal shelters in three southern Arizona counties where RMSF had not previously been identified. Of the 217 dogs sampled, 11 (5.1%) tested positive for spotted fever group rickettsia (SFGR) IgG antibodies, with seropositivity ranging from 2.9% to 12.2% across the three counties. Large dogs were significantly more likely than small dogs to have positive titres reactive with <jats:italic>R. rickettsii<\/jats:italic>; no additional statistically significant relationships were observed between seropositivity of canine age, sex, neuter or ownership status. In addition, 17 (7.8%) dogs had ticks attached at the time of sampling, and stray dogs were significantly more likely to have ticks present than owned dogs (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.001). All 57 ticks collected were identified as <jats:italic>Rh. sanguineus s.l.,<\/jats:italic> and four (7%) had DNA evidence of genera\u2010wide Rickettsia species. The results of this project demonstrated canine seroprevalence levels lower than those previously reported from dogs in highly endemic areas, indicating a low risk of SFGR transmission to humans in the southern Arizona border region at this time. Continued surveillance is critical to identify SFGR emergence in new geographic regions and to inform prevention efforts for humans and dogs in those areas.<\/jats:p>","DOI":"10.1111\/zph.12517","type":"journal-article","created":{"date-parts":[[2018,8,22]],"date-time":"2018-08-22T16:05:29Z","timestamp":1534953929000},"page":"984-992","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Serologic assessment for exposure to spotted fever group rickettsiae in dogs in the Arizona\u2013Sonora border region"],"prefix":"10.1111","volume":"65","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1961-462X","authenticated-orcid":false,"given":"Hayley D.","family":"Yaglom","sequence":"first","affiliation":[{"name":"Arizona Department of Health Services Office of Infectious Disease Services Phoenix Arizona"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William L.","family":"Nicholson","sequence":"additional","affiliation":[{"name":"Centers for Disease Control and Prevention Rickettsial Zoonoses Branch Atlanta Georgia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mariana","family":"Casal","sequence":"additional","affiliation":[{"name":"Arizona Department of Health Services Office of Border Health Tucson Arizona"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nathan C.","family":"Nieto","sequence":"additional","affiliation":[{"name":"Department of Biological Sciences Northern Arizona University Flagstaff Arizona"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laura","family":"Adams","sequence":"additional","affiliation":[{"name":"Arizona Department of Health Services Office of Infectious Disease Services Phoenix Arizona"},{"name":"Centers for Disease Control and Prevention Career Epidemiology Field Officer Program Atlanta Georgia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2018,8,21]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1093\/jme\/tjx138"},{"key":"e_1_2_10_3_1","first-page":"1","article-title":"Rocky Mountain spotted fever, a forgotten epidemic","volume":"52","author":"Alvarez\u2010Hern\u00e1ndez G.","year":"2010","journal-title":"Salud P\u00fablica De M\u00e9xico."},{"key":"e_1_2_10_4_1","first-page":"151","article-title":"Mortality from Rickettsia rickettsii spotted fever in patients at a pediatric hospital in the state of Sonora, 2004\u20132012 [Spanish]","volume":"55","author":"Alvarez\u2010Hern\u00e1ndez G.","year":"2013","journal-title":"Salud P\u00fablica De M\u00e9xico."},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1097\/INF.0000000000000496"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(17)30173-1"},{"key":"e_1_2_10_7_1","unstructured":"Arizona Department of Health Services (ADHS)(2017).Disease Data Statistics and Reports. 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