Cases reported "Zoonoses"

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1/7. epidemiology of alveolar echinococcosis in southern Cantal, Auvergne region, france.

    Alveolar echinococcosis (AE) is a helminth zoonosis which is encountered only in the northern hemisphere. In central france, the Auvergne region represents the most western and southern extension of this helminthiasis. In 1999, a human case of AE was diagnosed in the southern part of the Cantal department, where AE was supposed absent, and an epidemiological survey was subsequently carried out. The transmission of the zoonosis in the sylvatic and peridomestic definitive hosts was studied, as well as that in the rodent and human intermediate hosts. Eleven red foxes (Vulpes vulpes) were shot, and 50 fox faecal deposits were collected. Twelve farm dogs had their faeces taken by rectal touch, and four were checked after arecoline purgation. Optical detection of echinococcus multilocularis worms was achieved on fox intestines after scraping, and also on dog stools after arecoline therapy. Coproantigen ELISA assay was performed for the 11 scraping products, for the 50 fox faeces, and for the 12 dog faecal samples. No adult AE agent was observed by microscopy, and the ELISA assay yielded positive results in one of 11 fox intestines, one of 50 fox faeces, and 2 of 12 dog faecal samples. Twenty-five small mammals were trapped, of which 19 were Arvicola terrestris water voles. One rodent liver exhibited a hepatic lesion consistent with AE. An epidemiological questionnaire was completed in 85 human volunteers, who were also serologically tested for AE. Only one (the case's husband) exhibited a Western-blotting pattern indicative of a low-grade AE infection. The results of this preliminary study suggested a slow AE extension to the south of Cantal department from the northern focus.
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2/7. Human sealpox resulting from a seal bite: confirmation that sealpox virus is zoonotic.

    The case of a marine mammal technician who sustained a seal-bite to the hand that produced a lesion clinically very similar to orf is described. sequence analysis of the viral dna amplified from the lesion by the polymerase chain reaction indicated that it was sealpox virus in origin. This is the first report providing unequivocal evidence that sealpox may be transmitted to humans and causes lesions very similar to orf.
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3/7. Zoonotic genotype of Giardia intestinalis detected in a ferret.

    Giardia intestinalis has been found in a variety of mammals, including humans, and consists of host-specific and zoonotic genotypes. There has been only 1 study of G. intestinalis infection in weasels, but the genotype of its isolate remains unclear. In this study, we report the isolation of Giardia in a ferret exhibited at a pet shop. The isolate was analyzed genetically to validate the possibility of zoonotic transmission. Giardia diagnostic fragments of the small subunit ribosomal rna, beta-giardin, and glutamate dehydrogenase genes were amplified from the ferret isolate and sequenced to reveal the phylogenetic relationships between it and other Giardia species or genotypes of G. intestinalis reported previously. The results showed that the ferret isolate represented the genetic group A-I in assemblage A, which could be a causative agent of human giardiasis.
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4/7. Syngamosis, an unusual cause of asthma: the first reported case in canada.

    The first case of syngamosis in a human in canada is reported. The patient, a traveller to the Caribbean islands, presented with a chronic dry cough. The nematode Syngamus laryngeus is found in wild and domestic birds and mammals in the tropics and subtropics. humans are only accidental hosts. The diagnosis of syngamosis is usually made by fibreoptic bronchoscopic examination, which reveals the Y-shaped worms in the bronchi or the characteristic eggs in the sputum or feces. physicians must be alerted to the possibility of syngamosis in patients with symptoms of asthma who have recently travelled to south america or the Caribbean islands.
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5/7. babesiosis in washington State: a new species of Babesia?

    OBJECTIVE: To characterize the etiologic agent (WA1) of the first reported case of babesiosis acquired in washington State. DESIGN: Case report, and serologic, molecular, and epizootiologic studies. SETTING: South-central washington State. PATIENT: A 41-year-old immunocompetent man with an intact spleen who developed a moderately severe case of babesiosis. MEASUREMENTS: serum specimens from the patient were assayed by indirect immunofluorescent antibody (IFA) testing for reactivity with seven Babesia species and with WA1, which was propagated in hamsters inoculated with his blood. A Babesia-specific, ribosomal-dna (rDNA) probe was hybridized to Southern blots of restriction-endonuclease-digested preparations of dna from WA1, babesia microti, and Babesia gibsoni. serum specimens from 83 family members and neighbors were assayed for IFA reactivity with WA1 and B. microti. Small mammals and ticks were examined for Babesia infection. RESULTS: The patient's serum had very strong IFA reactivity with WA1, strong reactivity with B. gibsoni (which infects dogs), but only weak reactivity with B. microti. dna hybridization patterns with the rDNA probe clearly differentiated WA1 from B. gibsoni and B. microti. Four of the patient's neighbors had IFA titers to WA1 of 256. The tick vector and animal reservoir of WA1 have not yet been identified, despite trapping 83 mammals and collecting 235 ticks. CONCLUSIONS: WA1 is morphologically indistinguishable but antigenically and genotypically distinct from B. microti. Some patients elsewhere who were assumed to have been infected with B. microti may have been infected with WA1. Improved serodiagnostic and molecular techniques are needed for characterizing Babesia species and elucidating the epidemiology of babesiosis, an emergent zoonosis.
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6/7. hantavirus pulmonary syndrome in florida: association with the newly identified Black Creek Canal virus.

    hantavirus pulmonary syndrome (HPS) is a recently recognized viral zoonosis. The first recognized cases were caused by a newly described hantavirus. sin nombre virus (previously known as Muerto Canyon virus), isolated from peromyscus maniculatus (deer mouse). We describe a 33-year-old Floridian man who resided outside the ecologic range of P maniculatus but was found to have serologic evidence of a hantavirus infection during evaluation of azotemia associated with adult respiratory distress syndrome. Small mammal trapping conducted around this patient's residence demonstrated the presence of antihantaviral antibodies in 13% of Sigmodon hispidus [cotton rat). Serologic testing using antigen derived from the Black Creek Canal hantavirus subsequently isolated from this rodent established that this patient was acutely infected with this new pathogenic American hantavirus. HPS is not confined to the geographical distribution of P maniculatus and should be suspected in individuals with febrile respiratory syndromes, perhaps associated with azotemia, throughout the continental united states.
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7/7. Human syngamosis: the first case in korea.

    parasites of the genus Mammomonogamus affect the respiratory tract of domestic mammals but have only rarely been reported in humans. In this case report the diagnosis of human syngamosis is described following bronchoscopic examination of a patient whose initial symptoms were simply of community acquired pneumonia. The patient had a persistent and productive cough with intermittent fever during 10 days of observation. After bronchoscopic extraction of the parasites and treatment with albendazole he recovered fully. This is one of the first recognised cases of human syngamosis in korea.
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