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[Zoonosis].

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Animals↗

[Which zoonosis is it?].

Starting from the definition for zoonoses according to EU directive 92/117 EEC a brief and mainly tabulated summary is given on the occurrence of zoonoses worldwide and in Germany and related factors.

Animals↗

[Varying clinical picture and course of human granulocytic ehrlichiosis. Twelve Scandinavian cases of the new tick-borne zoonosis are presented].

In the twelve clinical cases of human granulocytic ehrlichiosis (HGE) so far identified in Scandinavia (ten in Sweden, two in Norway), clinical presentation varied from a mild febrile illness to a severe septic condition with such systemic complications as acute respiratory distress syndrome (ARDS). Laboratory verification was based on PCR (polymerase chain reaction) in ten cases, and on serology in two cases. Sequence analysis of 16S rDNA showed the infectious agents to belong to the Ehrlichia phagocytophila genogroup. Seroprevalence data indicate widespread human exposure to granulocytic Ehrlichia; mean seroprevalence, 15-20% of 1,000 clinical sera from tick-exposed patients (mainly from Sweden and Norway). Proposals for diagnostic criteria and procedures, and case management are presented in the article.

Adult↗

Borna disease: a possible emerging zoonosis.

The Borna disease virus (BDV) causes a disease of the central nervous system (CNS) in several vertebrate species. The progress made over the last 30 years in molecular biology has allowed us to identify the unique characteristics of the virus, such as its persistence in the CNS and the way it is expressed. This has allowed scientists to classify this pathogenic agent in a new family of RNA viruses. BDV affects a very large spectrum of hosts and is responsible for a disease characterised by behavioural anomalies. The large range of intra- or inter-specific symptoms of this disease (from persistence of the virus without clinical symptoms to CNS destruction) make epidemiological studies very difficult. Different diagnostic tools have allowed the detection of this infectious agent in different species around the world (central Europe, USA, UK, Japan, Iran, etc.). The disease can be fatal for sheep and horses (its primary natural hosts) and can infect other species such as rats, cattle, dogs, cats or pigeons. In human beings, BDV could be responsible for certain psychiatric disorders. In France, the limited number of epidemiological studies that have been conducted up until now (in veterinary and medical fields) does not allow scientists to ascertain whether the disease is present in France or not. Due to the suspected large geographical distribution of this infectious agent, however, we could expect the presence of BDV in France.

Animals↗

[A case of zoonosis associated with Streptococcus equi ssp. zooepidemicus].

A sexagenarian couple operating a dairy farm, where there were also many horses, suffered a severe respiratory infection associated with the bacterium Streptococcus equi ssp. zooepidemicus. The investigation revealed that the source of infection was due to contacts with a horse having an infected wound from which we isolated this zoonotic agent.

Animals↗

Intestinal heterophyidiasis: an emerging food-borne parasitic zoonosis in southern Philippines.

Heterophyidiasis is an infection of the small bowel by minute intestinal flukes of the genus Heterophyes or related members of the family Heterophyidae. To provide a better understanding of this rarely reported condition, this study attempted to determine the infection rate, intensity of infection as well as the clinical spectrum of heterophyid infection. A stool survey was conducted in barangay San Isidro, Monkayo, Compostela Valley. Thirty-six percent of patients with history of bowel disturbance (abdominal discomfort/pain and/or diarrhea) in the past 4 weeks were found to have heterophyidiasis. All age groups were infected, with the youngest patient being 1 year 7 months of age, while the oldest patient was 73 years of age. Prevalence was highest in the 15 to 30 years old group at 55.3%. The most common clinical manifestations of heterophyidiasis were signs and symptoms of acid peptic or peptic ulcer disease. Early diagnosis and treatment are important to ensure prompt resolution of heterophyid infection, hence, decreased morbidity and decreased chances for complications like heart or brain involvement. Proficiency of laboratory staff should be enhanced to ensure accurate diagnosis which will then make appropriate treatment possible.

Adolescent↗