نتایج جستجو برای: Norovirus
تعداد نتایج: 3745 فیلتر نتایج به سال:
Background: Enteric viruses, particularly human rotavirus and norovirus, have been shown to replace bacteria and parasites, as the most common pathogens responsible for acute diarrhea. However, there are still few epidemiological data on the simultaneous occurrence of these viruses in Iran. In this regard, the aim of this study was to assess the useful epidemiological data on the gastroenteriti...
background: enteric viruses, particularly human rotavirus and norovirus, have been shown to replace bacteria and parasites, as the most common pathogens responsible for acute diarrhea. however, there are still few epidemiological data on the simultaneous occurrence of these viruses in iran. in this regard, the aim of this study was to assess the useful epidemiological data on the gastroenteriti...
background noroviruses are one of the major viral pathogens responsible for gastroenteritis. outbreaks of diarrhea due to norovirus have been reported frequently. this study is performed to determine the prevalence of norovirus in fecal specimens of children with gastroenteritis. many viruses can cause gastroenteritis, including rotaviruses; adenoviruses types 40 and 41; sapoviruses; and norovi...
................................................................................................1 Populärvetenskaplig sammanfattning................................................3 Ett Norovirus Pusselstudier på humana och bovina norovirus och deras koppling till individers mottaglighet för sjukdom .................................. .3 Abbreviations................................................
Norovirus is the major cause of acute gastroenteritis worldwide. Between November 2012 and June 2013, 1718 stool samples were requested for norovirus antigen testing in the metropolitan areas of South Korea, and 91 samples were genotyped. The norovirus antigen-positive rate peaked at 52.8% in December 2012. [corrected]. A novel norovirus GII.4 variant, GII.4 Sydney 2012, was the most frequently...
Norovirus is a major cause of viral gastroenteritis, with shellfish consumption being identified as one potential norovirus entry point into the human population. Minimising shellfish norovirus levels is therefore important for both the consumer's protection and the shellfish industry's reputation. One method used to reduce microbiological risks in shellfish is depuration; however, this process...
BACKGROUND Noroviruses are an important cause of gastroenteritis but little is known about disease and re-infection rates in community settings in Asia. METHODS Disease, re-infection rates, strain prevalence and genetic susceptibility to noroviruses were investigated in a birth cohort of 373 Indian children followed up for three years. Stool samples from 1856 diarrheal episodes and 147 vomiti...
Norovirus is a major cause of viral gastroenteritis and a common cause of foodborne and waterborne outbreaks. Norovirus outbreaks are responsible for economic losses, most notably to the public health and food industry field. Norovirus has characteristics such as low infectious dose, prolonged shedding period, strong stability, great diversity, and frequent genome mutations. Besides these chara...
Whether or not primary norovirus infections induce protective immunity has become a controversial issue, potentially confounded by the comparison of data from genetically distinct norovirus strains. Early human volunteer studies performed with a norovirus-positive inoculum initially led to the conclusion that primary infection does not generate long-term, protective immunity. More recently thou...
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