نتایج جستجو برای: astrovirus

تعداد نتایج: 809  

2016
Samuel Cordey Francisco Brito Diem-Lan Vu Lara Turin Mary Kilowoko Esther Kyungu Blaise Genton Evgeny M Zdobnov Valérie D'Acremont Laurent Kaiser

Dear Editor, Over the past decade, next-generation sequencing (NGS) has become a useful tool to identify novel or emerging infectious agents.1 Although NGS is not yet used as a routine diagnostic tool, it is increasingly used as a second line of investigation for select clinical cases, particularly when routine molecular and serological assays fail to identify a causative pathogen. We developed...

2007
Nicholas M. Kiulia Jason M. Mwenda Atunga Nyachieo Julia K. Nyaundi Andrew D. Steele Maureen B. Taylor Maureen Taylor

Human astroviruses (HAstV) have been commonly identified worldwide as important aetiological agents of acute gastroenteritis in all age groups including the young, elderly and immunocompromised. However, limited data exist on the prevalence of this important pathogen in Kenya. The aim of this study was therefore to determine the prevalence of astrovirus (AstV) infection in Kenyan children young...

Journal: :Memorias do Instituto Oswaldo Cruz 2008
Flávia Ramos Guimarães Fabiana Fioretti Martins Ferreira Carmen Baur Vieira Tulio Machado Fumian Tatsuo Shubo José Paulo Gagliardi Leite Marize Pereira Miagostovich

The objective of this study was to evaluate the prevalence and dissemination of human astroviruses (HAstV) in the environment by analyzing urban sewage samples from a wastewater treatment plant in the city of Rio de Janeiro, Brazil. A one-year study was performed with a total of 48 raw and treated sewage composite samples, which were collected biweekly from an activated sludge plant. Virus part...

Journal: :Tropical medicine & international health : TM & IH 2008
Halidou Tinto Lougué Guekoun Issaka Zongo Robert Tinga Guiguemdé Umberto D'Alessandro Jean Bosco Ouédraogo

We investigated the relationship between the two main molecular markers for chloroquine resistance (Pfcrt T76 and Pfmdr-1 Y86) and the clinical efficacy of amodiaquine in Burkina Faso. Before treatment, the prevalence of Pfcrt T76, Pfmdr-1 Y86 or both mutations in the same infection was significantly higher in patients who experienced a recrudescence than in those who successfully responded to ...

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