نتایج جستجو برای: legionnaires diseases
تعداد نتایج: 851026 فیلتر نتایج به سال:
Statistical methods used in spatio-temporal surveillance of disease are able to identify abnormal clusters of cases but typically do not provide a measure of the degree of association between one case and another. Such a measure would facilitate the assignment of cases to common groups and be useful in outbreak investigations of diseases that potentially share the same source. This paper presen...
The intracellular pathogens Legionella micdadei and Legionella pneumophila are the two most common Legionella species that cause Legionnaires' disease. Intracellular replication within pulmonary cells is the hallmark of Legionnaires' disease. In the environment, legionellae are parasites of protozoans, and intracellular bacterial replication within protozoans plays a major role in the transmiss...
INTRODUCTION Legionnaires' disease is recognized as a multi-systemic illness. Afflicted patients may have pulmonary, renal, gastrointestinal tract and central nervous system complications. However, renal insufficiency is uncommon. The spectrum of renal involvement may range from a mild and transient elevation of serum creatinine levels to anuric renal failure requiring dialysis and may be linke...
Legionella pneumophila is a natural intracellular bacterial parasite of free-living freshwater protozoa and an accidental human pathogen that causes Legionnaires' disease. L. pneumophila differentiates, and does it in style. Recent experimental data on L. pneumophila's differentiation point at the existence of a complex network that involves many developmental forms. We intend readers to: (i) u...
OBJECTIVES To test the hypothesis that many non-outbreak cases of legionnaires' disease are not sporadic and to attempt to pinpoint cases clustering in space and time. DESIGN Descriptive study of a case series, 1978-86. SETTING 15 health boards in Scotland. PATIENTS 203 probable cases of non-outbreak, non-travel, community acquired legionnaires' disease in patients resident in Scotland. ...
The occurrence of legionnaires' disease has been described previously in passengers of cruise ships, but determination of the source has been rare. A 67-year-old, male cigarette smoker with heart disease contracted legionnaires' disease during a cruise in September 1995 and died 9 days after disembarking. Legionella pneumophila serogroup 1 was isolated from the patient's sputum and the ship's w...
OBJECTIVES Epidemiological investigations of Legionnaires' disease outbreaks rely on the rapid identification and typing of clinical and environmental Legionella isolates in order to identify and control the source of infection. Rapid bacterial whole-genome sequencing (WGS) is an emerging technology that has the potential to rapidly discriminate outbreak from non-outbreak isolates in a clinical...
Any approach towards elucidating the aetiology of an ill defined disease such as 'epidemic neuromyasthenia' has to be a comprehensive and wide-ranging one. Although viruses must be strong candidates, by reason of their ubiquity, this need not necessarily be the case and we have recently seen the onset of Legionnaires' disease as a new entity caused by a bacterium. We do not always recognize tha...
Legionella is a highly diverse genus of intracellular bacterial pathogens that cause Legionnaire's disease (LD), an often severe form of pneumonia. Two L. micdadei sp. clinical isolates, obtained from patients hospitalized with LD from geographically distinct areas, were sequenced using PacBio SMRT cell technology, identifying incomplete phage regions, which may impact virulence.
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