在中国中部,有大量的气泡状球菌菌的集中
P S Craig1, L Deshan, C N MacPherson
1Department of Biological Sciences, University of Salford, UK.
Lancet (London, England)
|October 3, 1992
概括
在中国农村地区,发现了严重的寄生虫疾病 - - 人类气泡状球结核病 (AE) 的高发病率. 大规模查显示患病率为5%,突出显示在流行地区需要更好的卫生和狗接触控制.
科学领域:
- 动物传播疾病是动物传播疾病.
- 寄生虫学的寄生虫学
- 公共卫生 公共卫生
背景情况:
- 人类气泡状乙烯球菌 (AE) 是一种罕见但严重的寄生动物病,是由 Echinococcus multilocularis引起的.
- 传播通常仅限于北度,从中国中部进行的研究很少.
- 之前的血清调查表明,在研究区域存在潜在的特有性.
研究的目的:
- 为了确定中国甘省农村社区肝炎AE的流行率.
- 调查大规模超声波扫描与血清学结合用于AE检测的有效性.
- 在被研究的人群中确定AE的风险因素和传播模式.
主要方法:
- 在三个农村社区,对1312名居民进行大规模超声波查.
- 血清学测试以确认诊断.
- 预先的血清检查和后续研究,以评估患病率和风险因素.
主要成果:
- 通过大规模查和血清学诊断了肝脏AE的5% (65/1312) 的患病率.
- 血清阳性率在各个村庄 (0-20.5%) 之间有显著差异.
- 31-50岁的女性和个人患感染的风险更高,可能与与狗接触有关.
结论:
- 这项研究发现了有史以来最高的AE患病率之一,这表明中国中部存在重大公共卫生问题.
- 超声波和血清学的联合使用在流行地区的大规模查中被证明是有效的.
- 高患病率很可能是由于涉及动物和狗的半国内传播周期,由贫困和卫生条件不佳加剧.
相关概念视频
01:27Cell Inclusions
Prokaryotic cells possess a variety of inclusions that play crucial roles in nutrient storage, metabolic processes, and environmental adaptation. These structures enable bacteria to thrive under fluctuating environmental conditions by storing essential resources and optimizing their metabolic efficiency.Carbon Storage: Poly-β-Hydroxybutyric Acid and Glycogen GranulesBacteria frequently store excess carbon in specialized granules. Poly-β-hydroxybutyric acid (PHB) granules are lipid polymers that...
01:30Bacterial Phylum Actinobacteria
Coryneform bacteria are gram-positive, aerobic, nonmotile rods that exhibit irregular, club-shaped, or V-shaped arrangements. Their V-shape results from snapping division, where the inner cell wall layer forms the cross-wall, while the outer layer remains intact until it ruptures on one side, causing the daughter cells to bend away.The primary genera are Corynebacterium and Arthrobacter. Corynebacterium includes diverse species, ranging from saprophytes to pathogens like Corynebacterium...
01:29Microbes in Food Production
Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
01:25Microbes in Beverage Production
Alcoholic beverages such as wine, beer, and spirits are the products of microbial fermentation processes that transform simple sugars into ethanol and a wide array of complex flavor compounds. These transformations rely on the metabolic activities of specific yeasts and bacteria, which are selected and controlled to yield the desired beverage characteristics.Wine Fermentation and MaturationWine production begins with the crushing of grapes to release juice and pulp, forming a must that is...
01:27Microbes in the Production of Fermented Foods
Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
01:27Microbiota of the Large Intestine
The large intestine hosts the most densely populated microbial ecosystem in the human body. This complex community primarily consists of anaerobic bacteria, with Bacillota (formerly Firmicutes) and Bacteroidota (formerly Bacteroidetes) as the predominant groups. The distribution of these microbes varies along different sections of the large intestine, influenced by local environmental factors such as oxygen availability and nutrient composition.The cecum, located at the beginning of the large...