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04:26 EDT 24th September 2018 | BioPortfolio

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Showing "France confirms case H5N8 bird north" PubMed Articles 1–25 of 12,000+

Inferring epidemiologic dynamics from viral evolution: 2014-2015 Eurasian/North American highly pathogenic avian influenza viruses exceed transmission threshold,  = 1, in wild birds and poultry in North America.

Highly pathogenic avian influenza virus (HPAIV) is a multihost pathogen with lineages that pose health risks for domestic birds, wild birds, and humans. One mechanism of intercontinental HPAIV spread is through wild bird reservoirs, and wild birds were the likely sources of a Eurasian (EA) lineage HPAIV into North America in 2014. The introduction resulted in several reassortment events with North American (NA) lineage low-pathogenic avian influenza viruses and the reassortant EA/NA H5N2 went on to cause on...

Highly Pathogenic Avian Influenza A(H5N8) Virus, Cameroon, 2017.

Highly pathogenic avian influenza A(H5N8) viruses of clade spread into West Africa in late 2016 during the autumn bird migration. Genetic characterization of the complete genome of these viruses detected in wild and domestic birds in Cameroon in January 2017 demonstrated the occurrence of multiple virus introductions.

Phylogenetic and molecular analysis of highly pathogenic avian influenza H5N8 and H5N5 viruses detected in Poland in 2016-2017.

Sixty-five poultry outbreaks and sixty-eight events in wild birds were reported during the highly pathogenic H5N8/H5N5 avian influenza epidemic in Poland in 2016-2017. The analysis of all gene segment sequences of selected strains revealed cocirculation of at least four different genome configurations (genotypes) generated through reassortment of clade H5N8 viruses detected in Russia and China in mid-2016. The geographical and temporal distribution of three H5N8 genotypes indicates separate introduc...

Clinical and virological features of acute hepatitis A during an ongoing outbreak among men who have sex with men in the North of France.

Since February 2017, an increase of acute hepatitis A (AHA) cases has been notified in North of France. We aimed to report clinical and virological features of 49 cases treated in three hospitals in Lille European Metropolis (LEM).

Generational changes in multiple sclerosis phenotype in North African immigrants in France: A population-based observational study.

The incidence of multiple sclerosis (MS) changes from generation to generation in ethnically different immigrants compared with native-born people. We aimed to determine whether there are generational changes in MS phenotypes among North African immigrants in France.

Highly Pathogenic Avian Influenza A(H5N8) Virus, Democratic Republic of the Congo, 2017.

In 2017, highly pathogenic avian influenza A(H5N8) virus was detected in poultry in the Democratic Republic of the Congo. Whole-genome phylogeny showed the virus clustered with H5N8 clade strains from birds in central and southern Asia. Emergence of this virus in central Africa represents a threat for animal health and food security.

Risk factors associated with highly pathogenic avian influenza subtype H5N8 outbreaks on broiler duck farms in South Korea.

Highly Pathogenic Avian Influenza (HPAI) subtype H5N8 outbreaks occurred in poultry farms in South Korea in 2014 resulting in significant damage to the poultry industry. Between 2014 and 2016, the pandemic disease caused significant economic loss and social disruption. To evaluate the risk factors for HPAI infection in broiler duck farms, we conducted a retrospective case-control study on broiler duck farms. Forty-three farms with confirmed laboratories on premises were selected as the case group, and 43 HP...

Usutu virus: the phantom menace.

Usutu virus, an arbovirus discovered in Africa in 1959, has spread over a large part of Europe over the last twenty years causing significant bird mortality as reported in France since 2015. The zoonotic risk, associated with this succession of avian epizootics in Europe, deserves to be taken into account even if human cases remain rare to date. Human infections are most often asymptomatic or present a benign clinical expression. However, neurological complications such as encephalitis or meningoencephaliti...

Genetic features of highly pathogenic avian influenza viruses A(H5N8), isolated from the European part of the Russian Federation.

Highly pathogenic avian influenza viruses (HPAIV) A(H5N8) of group B (Gochang1-like) have emerged in the Tyva Republic of eastern Russia in May 2016. Since November 2016, HPAIV A(H5N8) has spread throughout the European part of Russia. Thirty-one outbreaks were reported in domestic, wild and zoo birds in 2017. The present study aimed to perform a comparative analysis of new HPAIV A(H5N8) strains. Phylogenetic analysis revealed four genetically distinct subgroups in HPAIV A(H5N8) from the 2016-2017 season. R...

Fatal gunshot injuries in the common buzzard Buteo buteo L. 1758 - imaging and ballistic findings.

The conservation of the common buzzard is assured by the European Union law. In Poland, this wild bird is under strict species protection and it is used as a bioindicator for heavy metals in the environment. A case of the fatal shooting of a buzzard with a firearm by an unidentified shooter is described here. Macroscopic evaluation, X-ray imaging, post-mortem computed tomography, ballistic examination of the isolated bullets and finally a simulation of the assumed position of the bird at the time of the sho...

The tempo and mode of the taxonomic correction process: How taxonomists have corrected and recorrected North American bird species over the last 127 years.

While studies of taxonomy usually focus on species description, there is also a taxonomic correction process that retests and updates existing species circumscriptions on the basis of new evidence. These corrections may themselves be subsequently retested and recorrected. We studied this correction process by using the Check-List of North and Middle American Birds, a well-known taxonomic checklist that spans 130 years. We identified 142 lumps and 95 splits across sixty-three versions of the Check-List and f...

A Discrete Time West Nile Virus Transmission Model with Optimal Bird- and Vector-Specific Controls.

A discrete-time model describing the west nile virus transmission among the mosquito, wild bird, and domestic bird populations is constructed. The expressions for the basic reproduction number R and the disease-free fixed point of the model are computed. The local stability of the disease-free fixed point is established based on R. Optimal control theory is used to devise the most effective administration profile of mosquito larvicide, mosquito adulticide and domestic bird-protection in controlling the viru...

Q fever in Spain: Description of a new series, and systematic review.

Forms of presentation of Q fever vary widely across Spain, with differences between the north and south. In the absence of reported case series from Galicia (north-west Spain), this study sought to describe a Q-fever case series in this region for the first time, and conduct a systematic review to analyse all available data on the disease in Spain.

Children with melioidosis in Far North Queensland are commonly bacteraemic and have a high case fatality rate.

Paediatric melioidosis is uncommon in Northern Australia and localised skin and soft tissue infections predominate. This study presents data from Far North Queensland and shows that, in this population, children with melioidosis are commonly bacteraemia and have a high case fatality rate.

Differential changes in the onset of spring across US National Wildlife Refuges and North American migratory bird flyways.

Warming temperatures associated with climate change can have indirect effects on migratory birds that rely on seasonally available food resources and habitats that vary across spatial and temporal scales. We used two heat-based indices of spring onset, the First Leaf Index (FLI) and the First Bloom Index (FBI), as proxies of habitat change for the period 1901 to 2012 at three spatial scales: the US National Wildlife Refuge System; the four major bird migratory flyways in North America; and the seasonal rang...

Correction: Genetic diversity, genetic structure and diet of ancient and contemporary red deer (Cervus elaphus L.) from north-eastern France.

[This corrects the article DOI: 10.1371/journal.pone.0189278.].

Complex behaviour in complex terrain. Modelling bird migration in a high resolution wind field across mountainous terrain to simulate observed patterns.

Crossing of large ecological barriers, such as mountains, is in terms of energy considered to be a demanding and critical step during bird migration. Besides forming a geographical barrier, mountains have a profound impact on the resulting wind flow. We use a novel framework of mathematical models to investigate the influences of wind and topography on nocturnal passerine bird behaviour, and to assess the energy costs for different flight strategies for crossing the Jura Mountains. The mathematical models i...

Optimal gut size of small birds and its dependence on environmental and physiological parameters.

Most optimal foraging models assume that the foraging behaviour of small birds depends on a single state variable, their energy reserves in the form of stored fat. Here, we include a second state variable-the contents of the bird's gut-to investigate how a bird should optimise its gut size to minimise its long-term mortality, depending on the availability of food, the size of meal and the bird's digestive constraints. Our results show that (1) the current level of fat is never less important than gut conten...

A Review of Sclerodermus Latreille, 1809 (Hymenoptera: Bethylidae) Infestations and Report of the First Case in North America North of Mexico.

Sclerodermus Latreille, 1809 (Hymenoptera: Bethylidae), are parasitoids of wood-boring beetle larvae that can co-infest furniture and homes attacked by such larvae. This can result in the human inhabitants receiving stings from adult female wasps as they wander in search of new hosts. Herein, I report the first infestation of Sclerodermus macrogaster (Ashmead, 1887) of a home in North America and provide a review of Sclerodermus biology and clinical signs relevant to their pestiferous nature.

Are we choosing the right flagships? The bird species and traits Australians find most attractive.

Understanding what people like about birds can help target advocacy for bird conservation. However, testing preferences for characteristics of birds is methodologically challenging, with bias difficult to avoid. In this paper we test whether preferred characteristics of birds in general are shared by the individual bird species the same people nominate as being those they consider most attractive. We then compare these results with the birds which appear most frequently in the imagery of conservation advoca...

Hindcasting the impacts of land-use changes on bird communities with species distribution models of Bird Atlas data.

Habitat loss and degradation induced by human development are among the major threats to biodiversity worldwide. In this study, we tested our ability to predict the response of bird communities (128 species) to land-use changes in southern Québec (c. 483,100 km ) over the last 30 years (between '1984-89' and '2010-2014') by using species distribution models (299 302 occurrences in 30 408 locations) from a hindcasting perspective. Results were grouped by functional guilds to infer potential impacts on ecosy...

Emergence of bluetongue virus serotype 4 in mainland France in November 2017.

In November 2017, a 15-day-old calf located in France (Haute-Savoie department) was found positive for bluetongue virus (BTV) RNA by RT-PCR. Laboratory investigations allowed the isolation and identification of the serotype: BTV-4. The analysis of the full viral genome showed that all the 10 genome segments were closely related to BTV-4 strains involved in a large BT outbreak in the Balkan Peninsula, in Italy since 2014 and in Corsica since the end of October 2016. These results together with epidemiologica...

Clinical and radiological characteristics of neuromyelitis optica spectrum disorder in the North Egyptian Nile Delta.

Neuromyelitis optica spectrum disorder (NMOSD) is an autoimmune demyelinating disorder of the central nervous system that was previously thought to be a subtype of multiple sclerosis (MS). Epidemiology studies of NMOSD are rare in both Middle East and North African countries. To our knowledge, there are no such studies in Egypt. Herein, we describe a case series of NMOSD patients from North Egyptian Nile Delta region and compare them to NMOSD in other parts in the Middle East and the world.

Spatio-temporal variation in bird assemblages is associated with fluctuations in temperature and precipitation along a tropical elevational gradient.

Understanding the spatial and temporal dynamics of species assemblages is a main challenge in ecology. The mechanisms that shape species assemblages and their temporal fluctuations along tropical elevational gradients are particularly poorly understood. Here, we examined the spatio-temporal dynamics of bird assemblages along an elevational gradient in Ecuador. We conducted bird point counts at three elevations (1000, 2000 and 3000 m) on 18 1-ha plots and repeated the sampling eight times over two years (216...

Folic acid, dietary habits, and homocysteine levels in relation to neural tube defects: A case-control study in North India.

The present study attempts to understand the complex contribution of biochemical (plasma homocysteine) and nutritional parameters (dietary pattern and folate supplementation) to the neural tube defects (NTDs) affected pregnancies and controls in North Indian population.

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