Publications

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epidemiologic and clinical features of an outbreak of bubonic plague in new mexico.an outbreak of seven cases of bubonic plague in new mexico was investigated. clinical features were studied and correlated with field studies in an attmept to determine the source of infection in patients with indefinite histories of exposure. most patients presented with fever, malaise, and an acute painful lymphadenitis (bubo). one death occurred in a patient with bubonic-septicemic plague complicated by meningitis due to yersinia pestis. all patients lived in rural or semirural areas, and mos ...1977908848
the first outbreak of human plague in lushoto district, north-east tanzania.a one-week investigation was performed at mkunki and mavumo (ward of shume, lushoto district, tanzania) at the time of outbreak (june, 1980). rodents, people, domestic dogs and fleas were examined, 36 rats, mostly rattus rattus, were caught and used in serological and bacteriological analysis for plague. 48 fleas, mostly xenopsylla brasiliensis, were collected from the captured rodents. 413 people and 11 dogs were examined. all rodent, carnivorous and human sera were tested for plague antibodies ...19827101402
yersinia pestis infection in three dogs.yersinia pestis infection was diagnosed in 3 dogs. clinical signs included lethargy (3 dogs), pyrexia (2 dogs), and a purulent skin lesion in the cervical region (2 dogs). yersinia pestis infection is a potentially fatal zoonotic disease of human beings. human cases have resulted from contact with infected domestic cats; however, the risk of human infection from contact with infected domestic dogs is unknown. dogs frequently are exposed to y pestis in areas in which there are plague epizootics; ...19957628931
gray foxes (urocyon cinereoargenteus) as a potential reservoir of a bartonella clarridgeiae-like bacterium and domestic dogs as part of a sentinel system for surveillance of zoonotic arthropod-borne pathogens in northern california.two species of bartonella, a novel bartonella clarridgeiae-like bacterium and b. vinsonii subsp. berkhoffii, were isolated from rural dogs and gray foxes in northern california. a novel b. clarridgeiae-like species was isolated from 3 (1.7%) of 182 dogs and 22 (42%) of 53 gray foxes, while b. vinsonii subsp. berkhoffii was isolated from 1 dog (0.5%) and 5 gray foxes (9.4%). pcr and dna sequence analyses of the citrate synthase (glta) gene and the 16s-23s intergenic spacer region suggested that s ...200717553970
serologic survey of the sentinel animals for plague surveillance and screening for complementary diagnostic markers to f1 antigen by protein microarray.plague is a deadly infectious disease caused by the gram-negative bacterium, yersinia pestis. in 2005, five plague patients were confirmed in the yulong county of the yunnan province, china. in this study, the serologic survey of > 2,900 serum samples from domestic dogs and cats in and around the county, where human plague occurred, confirmed that domestic dogs and cats could serve as sentinel animals for plague surveillance. meanwhile, the antibody responses in the infected dogs and cats were p ...200818981526
colorado animal-based plague surveillance systems: relationships between targeted animal species and prediction efficacy of areas at risk for humans.human plague risks (yersinia pestis infection) are greatest when epizootics cause high mortality among this bacterium's natural rodent hosts. therefore, health departments in plague-endemic areas commonly establish animal-based surveillance programs to monitor y. pestis infection among plague hosts and vectors. the primary objectives of our study were to determine whether passive animal-based plague surveillance samples collected in colorado from 1991 to 2005 were sampled from high human plague ...200920836802
demographic characteristics and infectious diseases of a population of american black bears in humboldt county, california.american black bears (ursus americanus) are common, widely distributed, and broad-ranging omnivorous mammals in northern california forests. bears may be susceptible to pathogens infecting both domestic animals and humans. monitoring bear populations, particularly in changing ecosystems, is important to understanding ecological features that could affect bear population health and influence the likelihood that bears may cause adverse impacts on humans. in all, 321 bears were captured between may ...201525700042
canis lupus familiaris involved in the transmission of pathogenic yersinia spp. in china.to investigate canines carrying pathogens associated with human illness, we studied their roles in transmitting and maintaining pathogenic yersinia spp. we examined different ecological landscapes in china for the distribution of pathogenic yersinia spp. in canis lupus familiaris, the domestic dog. the highest number of pathogenic yersinia enterocolitica was shown from the tonsils (6.30%), followed by rectal swabs (3.63%) and feces (1.23%). strains isolated from plague free areas for c. lupus fa ...201424861841
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