Publications

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serologic survey of select infectious diseases in coyotes and raccoons in nebraska.to obtain data about select zoonotic and other infectious diseases in free-ranging predators in five ecoregions in nebraska, sera were collected from 67 coyotes (canis latrans) and 63 raccoons (procyon lotor) from november 2002 through january 2003. for coyotes, antibodies were detected against canine distemper virus (cdv, 61%), francisella tularensis (32%), rickettsia rickettsi (13%), and flaviviruses (48%). none of the coyote sera had antibodies to borrelia burgdorferi, brucella canis, or six ...200516456169
raccoons and skunks as sentinels for enzootic tularemia.we analyzed sera from diverse mammals of martha's vineyard, massachusetts, for evidence of francisella tularensis exposure. skunks and raccoons were frequently seroreactive, whereas white-footed mice, cottontail rabbits, deer, rats, and dogs were not. tularemia surveillance may be facilitated by focusing on skunks and raccoons.200616707067
longitudinal study on the seroprevalence of avian influenza, leptospirosis, and tularemia in an urban population of raccoons (procyon lotor) in ontario, canada.raccoons (procyon lotor) live at high densities, often in close association with people, in urban areas in ontario and have been implicated as potential reservoirs of numerous zoonotic disease agents. we collected 137 blood samples from 61 apparently healthy raccoons in a small area of toronto, ontario, from june to october 2007 as part of a longitudinal study to determine the seasonal patterns of seroprevalence of francisella tularensis, avian influenza, and leptospira. in addition, we collecte ...201120491583
serological survey of five zoonoses, scrub typhus, japanese spotted fever, tularemia, lyme disease, and q fever, in feral raccoons (procyon lotor) in japan.we investigated the seroprevalence of five tick- or mite-borne zoonoses, scrub typhus (orientia tsutsugamushi), japanese spotted fever (rickettsia japonica), tularemia (francisella tularensis), lyme disease (borrelia afzelii and borrelia garinii), and q fever (coxiella burnetii), in feral raccoons (procyon lotor) captured in hokkaido and kanagawa prefectures in japan. of the 559 raccoons captured in hokkaido, 8 (1.4%), 3 (0.5%), 1 (0.2%), and 1 (0.2%) carried antibodies against o. tsutsugamushi ...201120553108
tick-borne disease agents in various wildlife from mississippi.because tick-borne diseases are becoming increasingly important throughout the world, monitoring their causative agents in wildlife may serve as a useful indicator of potential human exposure. we assessed the presence of known and putative zoonotic, tick-borne agents in four wildlife species in mississippi. animals were tested for exposure to or infection with ehrlichia chaffeensis, ehrlichia ewingii, borrelia lonestari, rickettsia spp., anaplasma phagocytophilum, and francisella tularensis. who ...201120846016
leptospirosis and tularaemia in raccoons (procyon lotor) of larimer country, colorado.raccoons (procyon lotor) are commonly implicated as carriers of many zoonotic pathogens. the purpose of this cross-sectional study was to look for leptospira interrogans and francisella tularensis in opportunistically sampled, free-ranging raccoons of larimer country, colorado, usa. sixty-five animals were included in the study and testing consisted of gross post-mortem examination, histopathology, and both immunohistochemistry and pcr for l. interrogans and f. tularensis. no significant gross l ...201121824365
investigation of tularemia outbreak after natural infection of outdoor-housed rhesus macaques (macaca mulatta) with francisella tularensis.in the summer and fall of 2010, a series of outdoor-housed rhesus macaques were diagnosed with tularemia. pcr analysis or positive culture confirmed 11 cases, and 9 additional animals with similar clinical signs responded to empiric antibiotic treatment. a serosurvey conducted in the 9 mo after the outbreak found 53% (43 of 81 macaques) seropositivity in the southern outdoor colony, which had an average population of 700 animals. a prospective survey of small mammal reservoirs and arthropod vect ...201323582425
serosurveillance for francisella tularensis among wild animals in japan using a newly developed competitive enzyme-linked immunosorbent assay.tularemia, a highly infectious zoonotic disease caused by francisella tularensis, occurs sporadically in japan. however, little is known about the prevalence of the disease in wild animals. a total of 632 samples obtained from 150 japanese black bears, 142 japanese hares, 120 small rodents, 97 rats, 53 raptors, 26 japanese monkeys, 21 japanese raccoon dogs, 20 masked palm civets, and three japanese red foxes between 2002 and 2010 were investigated for the presence of antibodies to f. tularensis ...201424689989
high and novel genetic diversity of francisella tularensis in germany and indication of environmental persistence.in germany tularemia is a re-emerging zoonotic disease. therefore, we investigated wild animals and environmental water samples for the presence and phylogenetic diversity of francisella tularensis in the poorly studied berlin/brandenburg region. the phylogenomic analysis of three isolates from wild animals revealed three new subclades within the phylogenetic tree of f. tularensis [b.71 from a raccoon dog (nyctereutes procyonoides); b.74 from a red fox (vulpes vulpes), and b.75 from a eurasian b ...201627356883
tularaemia seroprevalence of captured and wild animals in germany: the fox (vulpes vulpes) as a biological indicator.a total of 2475 animals from germany, both captive and wild, were tested for antibodies against francisella tularensis to obtain more knowledge about the presence of this pathogen in germany. an indirect and a competitive elisa served as screening methods, positive and inconclusive samples were confirmed by western blot. of the zoo animals sampled between 1992 and 2007 (n = 1122), three (0·3%) were seropositive. the seroconversion of a hippopotamus in berlin zoo was documented. from 1353 serum s ...201322800496
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