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The worldwide epidemiology and population-based incidence of Q fever endocarditis (QFE) have been less well studied than those for uncomplicated Q fever. An exhaustive literature review revealed 408 patients with QFE reported between 1949 and 1994, mostly from 3 large geographic areas. Underlying
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In 1988 an epidemic of Q fever was detected in Leszno district. During 1973-1985 all 28,066 cattle tested for C. burnetii antibodies were found to be negative. The first seroconversions were found in cows which produced stillborn young. In the following years the number of seropositive cattle
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Q fever is serologically cross-reactive with other intracellular microorganisms. However, studies of the serological status of Mycoplasma pneumoniae and Chlamydophila pneumoniae during Q fever are rare. We conducted a retrospective serological study of M. pneumoniae and C. pneumoniae by
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BACKGROUND
Q fever is an infection caused by Coxiella burnetii. Persistent infection (chronic Q fever) develops in 1%-5% of patients. We hypothesize that inefficient recognition of C. burnetii and/or activation of host-defense in individuals carrying genetic variants in pattern recognition receptors
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OBJECTIVE
To measure the acute burden of and to identify risk factors associated with notified Q fever in older adults in New South Wales.
METHODS
A prospective cohort of adults aged 45 years and over (the 45 and Up Study) recruited during 2006-2009 and followed using linked Q fever notifications,
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Reported here is an outbreak of 21 cases of Q fever that were diagnosed during 5 months in the spring and summer of 2001 at Rambam Medical Center, Haifa, Israel. An epidemiological investigation and a case-control study were conducted to identify risk factors associated with acquisition of the
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BACKGROUND: Emerging infectious diseases can compromise the safety of tissues for transplantations. A recent outbreak of Q fever, a zoonosis caused by the bacterium Coxiella burnetii, in the Netherlands compelled the Dutch tissue banks to assess the risk of Q fever transmission through tissue
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Chronic Coxiella burnetii endocarditis usually develops in people with underlying heart disease and accounts for 60-70% of chronic Q fever. Onset is generally insidious and manifestations are atypical. The authors report a case of Coxiella burnetii prosthetic valve endocarditis in a 53 years- old
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Studies have shown a link between Q-fever positive farms (QFPFs) and community cases of human Q-fever. Our study is the first to investigate the potential role of contaminated land-applied manure in human Q-fever, based on a large set of nationwide notification and farm management data. Time between
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The progression of Coxiella burnetii infection to acute or chronic Q fever has been attributed to biological characteristics of the bacterium and to the host immune response. We measured whether serum levels of total and specific subclasses IgA1 and IgA2 could be correlated with the course of
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Diagnosis of acute Q fever is usually confirmed by serology, on the basis of anti-phase II antigen immunoglobulin M (IgM) titers of >/=1:50 and IgG titers of >/=1:200. Phase I antibodies, especially IgG and IgA, are predominant in chronic forms of the disease. However, between January 1982 and June
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From 1982 to 1986, sera from 36 patients suspected for chronic Q fever were submitted to serologic examination. By serology combined with clinical information, endocarditis was diagnosed in 17 cases, granulomatous hepatitis in 9 cases. 10 cases were dubious. High anti-phase I IgG titers and presence
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Coxiella burnetii is the bacterium that causes Q fever. Human infection is mainly transmitted from cattle, goats and sheep. The disease is usually self-limited. Pneumonia and hepatitis are the most common clinical manifestations. In this study, we present a case of Q fever from the western part of
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Bone marrow and liver biopsy specimens from five patients with documented Q fever were reviewed. Eight bone marrow and two liver specimens had been obtained from eight days to two months after the onset of symptoms in the five patients. Three had Q-fever hepatitis; one had Q-fever endocarditis. The
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OBJECTIVE
The aim of the present study is to know the prevalence, incidence and clinical presentation of the acute Q fever in the north of the Huelva district.
METHODS
a) Prevalence: 1,654 serum were randomly collected from the health district and distributed by their origin, age and sex. The
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