نتایج جستجو برای: avian rotaviruses
تعداد نتایج: 42204 فیلتر نتایج به سال:
The epidemiology of animal rotaviruses infection and their association with illnesses in humans remains unknown Central America the world. In this study, we performed a genotyping rotavirus strains by RT-PCR for-G (VP7) P (VP4), samples diarrhea calves piglets, Honduras Panama. Mixed infections combinations genotypes G (VP4) were identified Honduras: 3 (4%) G2P [6], 2 (2%) [4], piglets: 4 (5%) ...
Virus particles similar to Otofuke virus have been found, together with rotaviruses and astroviruses, by electronmicroscopy in faeces from an infant with diarrhoea in Northern Ireland. Previously Otofuke virus has been found only in Japan whence it may have been carried to this country by a businessman.
In Tunisia in 2008, an unusual G6P[9] rotavirus, RVA/human-wt/TUN/17237/2008/G6P[9], rarely found in humans, was detected in a child. To determine the origin of this strain, we conducted phylogenetic analyses and found a unique genotype constellation resembling rotaviruses belonging to the feline BA222-like genotype constellation. The strain probably resulted from direct cat-to-human transmission.
Avian influenza is one of the most important diseases in avian industry, which also threats human population. Thus, vaccination is necessary for controlling this viral disease. In this study, killed vaccine of avian influenza subtype H9N2 and formalin solution (for virus inactivation) were used. It is necessary to study the effect of different factors such as formalin concentration, as well as ...
Dot and Northern blot hybridization assays were used to analyze field strains of group A bovine rotaviruses (BRVs) by using nucleic acid probes representing P and G type specificities. The probes were prepared by polymerase chain reaction amplification of hyperdivergent regions of the cloned VP4 (nucleotides 211 to 686) and VP7 (nucleotides 51 to 392) genes from four serotypically distinct (in ...
BACKGROUND Rotaviruses are a major etiologic agent of gastroenteritis in infants and young children worldwide. Since the latter of the 1990s, G3 human rotaviruses referred to as "new variant G3" have emerged and spread in China, being a dominant genotype until 2010, although their genomic evolution has not yet been well investigated. METHODS The complete genomes of 33 G3P[8] human rotavirus s...
Although the molecular surveillance network RotaNet-Italy provides useful nationwide data on rotaviruses causing severe acute gastroenteritis in children in Italy, scarce information is available on rotavirus circulation in the general Italian population, including adults with mild or asymptomatic infection. We investigated the genotypes of rotaviruses present in urban wastewaters and compared ...
An enzyme immunoassay that uses easily regenerated reagents was developed and evaluated for the ability to detect group B rotaviruses (GBR) in fecal specimens. Homologous rat GBR and heterologous porcine and bovine GBR were detected by this immunoassay, although a human GBR isolate was not. This immunoassay should prove useful in studies of GBR infections of animals.
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