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Arboviruses (0):
Recent article
Arboviruses
Abstract
We report a unique arbovirus surveillance system to detect arboviruses that exploits the process whereby mosquitoes expectorate virus in their saliva during sugar feeding. In this system, infected mosquitoes captured by CO(2)-baited updraft box traps are allowed to feed on honey-soaked nucleic acid...
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PMID: 20534559
PDF is available here.
PDF is available here.
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Abstract
Six viral isolates were obtained from 23,243 female mosquitoes (examined in 513 pools) belonging to 16 species and collected along the lower reaches of the Dyje River in South Moravia (Czech Republic, central Europe) during 2006-2008: five isolates of Orthobunyavirus Tahyna (TAHV, California group,...
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PMID: 20496595
PDF is available here.
PDF is available here.
Abstract
In view of the high circulation of migratory birds and the environmental and climatic conditions which favor the proliferation of arthropods, the Brazilian Pantanal is susceptible to circulation of arboviruses. However, the amount of data concerning arbovirus vectors in this area is scarce; therefor...
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PMID: 20305950
PDF is available here.
PDF is available here.
Abstract
We analize the possible emergence and/or re-emergence in Spain of some of the mosquito-borne arboviruses (Diptera: Culicidae) with highest incidence in recent years. The faunistic, bioecological and distributional data of the culicids in our country allow to differentiate between species with abilit...
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PMID: 20661525
PDF is available here.
PDF is available here.
Abstract
A total of 4 pairs of virus isolated with C6/36 cells cytopathic effect were observed, and other mosquito species have not cytopathic effect.Strain WS0704-2 was Banna virus which identified by antibody response and PCR. Strain WS0704-1, WS0708-1, WS0708-2 were Culex pipens pallens densovirus (CppDNV...
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PMID: 20193505
PDF is available here.
PDF is available here.
Croatian Medical Journal (50)6 2009
Abstract
Cadernos de Saude Publica (25)11 2009
Abstract
This study aimed to measure the prevalence of antibodies to arboviruses in the area affected by the Juruti Project before local mining operations. A total of 1,597 human and 85 wild animal sera were examined, using the hemagglutination inhibition test against 19 antigens from the most prevalent arbo...
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PMID: 19936489
PDF is available here.
PDF is available here.
Abstract
Most arthropod-borne viruses (arboviruses) show distinct serological subtypes or evolutionary lineages, with the evolution of different strains often assumed to reflect differences in ecological selection pressures. Buggy Creek virus (BCRV) is an unusual RNA virus (Togaviridae, Alphavirus) that is a...
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PMID: 19967872
PDF is available here.
PDF is available here.
Abstract
We are still far from understanding the strategies required for the ecologic success of this virus, virus replication, its interactions with its vertebrate hosts and arthropod vectors, and its genetic evolution. In this paper, we summarize the current knowledge of CHIKV genomic organization, cell tr...
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PMID: 19732931
PDF is available here.
PDF is available here.
Abstract
This is the first description of Ae. albopictus in Grande Glorieuse and Juan de Nova, which are two isolated French islands of the Mozambique Channel. The recent introduction of this species is underlined by its absence in the inventories realised between 2000 and 2003. The last severe arbovirus epi...
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PMID: 19739418
PDF is available here.
PDF is available here.
Abstract
We documented the antibody prevalence to three arboviruses, St. Louis encephalitis virus (SLEV), eastern equine encephalitis virus (EEEV), and West Nile virus (WNV), in Crested Caracaras (Caracara cheriway; n = 80) in Florida from 2007 to 2008. Antibody prevalence to WNV was higher (9%) than for the...
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PMID: 19617494
PDF is available here.
PDF is available here.
Abstract
Mosquitoes collected during an outbreak of Rift Valley fever in Kenya from December 2006 to February 2007 were tested to isolate other mosquito-borne arboviruses circulating in the region. Twenty-seven virus isolations were made comprising seven viruses from three arbovirus families.
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PMID: 19658258
PDF is available here.
PDF is available here.
Abstract
Mosquitoes collected during 2003, 2004, and 2005 in Alberta, Canada, were screened for the presence of a wide range of arboviruses by reverse transcription-polymerase chain reaction (RT-PCR). Nucleic acid extracts from mosquito slurries were amplified using universal primers designed to detect virus...
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PMID: 19496438
PDF is available here.
PDF is available here.
Abstract
Seven positive mosquitoe samples were identified by real time RT-PCR. Three strains were isolated and identified by real time RT-PCR. The PrM gene was cloned and sequenced. The phylogenetic analysis showed that three isolates belong to genotype I of Japanese encephalitis virus. Of 204 swine serum sa...
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PMID: 19534947
PDF is available here.
PDF is available here.
Abstract
We perform a meta-analysis of studies across a range of mosquito-virus systems to show that, overall, arboviruses do reduce the survival of their mosquito vectors, but that the magnitude of the effect depends on the vector/virus taxonomic groups and the mode of virus transmission. Alphaviruses were...
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PMID: 19141420
PDF is available here.
PDF is available here.
Abstract
Ten Banna virus (strains SX0765, SX0766, SX0767, SX0771, SX0789, SX0790, SX0793, SX0794, SX0795, SX0796) were isolated, and two Liaoning virus were also isolated from isolates SX0771, SX0794. Phylogenetic tree of the Banna virus isolates showed that ten strains are located in a distinct branch from...
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PMID: 19799012
PDF is available here.
PDF is available here.
Abstract
Arthropod-borne viruses (arboviruses) are a significant cause of human and animal disease worldwide. Multiple interactions between virus and the host innate immune system ultimately determine the pathogenesis and clinical outcome of the infection. Evidence is rapidly emerging that su...
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PMID: 20375598
PDF is available here.
PDF is available here.
Abstract
5410 mosquitoes were collected from the five cities in total. Three isolates produced CPE in C6/ 36 cell and five isolates produced CPE in both C6/36 and BHK-21 cell. Three isolates (LN0684, LN0688 and LN0689) were identified as Banna virus and one isolate (LN0636) was identified as Getah virus. Phy...
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PMID: 19565849
PDF is available here.
PDF is available here.
Abstract
We fear the appearance of yet another exotic microbe simply demonstrating our vulnerability to new invaders and the shrinking of the globe. Beside the tremendous increase in international travel and trade, climatic changes are a crucial factor for exotic arboviruses to establish endemic transmission...
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PMID: 19999382
PDF is available here.
PDF is available here.
Abstract
The paper gives the results of a study dealing with the detection of the antigens of arboviruses of West Nile, Sindbis, Batai, Crimean-Congo hemorrhagic fever, a serocomplex of Californian encephalitis in the field material gathered in the Saratov Region in 2000-2006. The bloodsucking arthropods inh...
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PMID: 19566063
PDF is available here.
PDF is available here.
Abstract
In the Coachella Valley of California the seasonal onset of St. Louis encephalitis virus (SLEV), western equine encephalomyelitis virus (WEEV), and West Nile virus (WNV) has been detected consistently at the shoreline of the Salton Sea near the community of North Shore. The timing and intensity of i...
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PMID: 18494603
PDF is available here.
PDF is available here.
Abstract
We critically examined fundamental issues regarding mosquito sampling design and estimation of transmission intensity. Two surveillance strategies were proposed, each with a distinct focus, i.e. targeted surveillance for detection of low rates of mosquito infection and extensive surveillance for eva...
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PMID: 18466940
PDF is available here.
PDF is available here.
Abstract
Circulation of West Nile virus in Portugal was demonstrated by serological surveys, and the virus was isolated in 1969 from Anopheles maculipennis s.l. A survey of the whole country was carried out (2001-2004) to assess the abundance of mosquito species and to screen them for arbovirus infection. A...
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PMID: 18455742
PDF is available here.
PDF is available here.
Journal of Virological Methods (150)1-2 2008
Abstract
In the collection of field materials to test for the presence of arboviruses, samples must be appropriately maintained to detect arboviral nucleic acids. In austere field conditions this is often difficult to achieve because, during routine specimen processing, storage, and shipping viral RNA degrad...
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PMID: 18387678
PDF is available here.
PDF is available here.
Parassitologia (50)1-2 2008
Abstract
A brief review of the arboviruses isolated In Italy is presented and discussed. Some of the Arboviruses considered in this paper are endemic in the country and are transmitted by arthropods that play actually a role of vectors, (sand flyes, hard ticks and mosquitoes); other arboviruses, sporadically...
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PMID: 18693572
PDF is available here.
PDF is available here.
Abstract
We tested it using an in vivo system with Venezuelan equine encephalitis virus (VEEV), an emerging alphavirus of the Americas. VEEV serially passaged in mosquitoes exhibited increased mosquito infectivity and vertebrate-specialized strains produced higher viremias. Conversely, alternately passaged V...
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PMID: 18458341
PDF is available here.
PDF is available here.
Epidemiology and Infection (136)5 2008
Abstract
Understanding the epidemiology of current health threats to deployed U.S. troops is important for medical assessment and planning. As part of a 2004 study among U.S. military personnel deployed to Al Asad Air Base, in the western Anbar Province of Iraq, over 500 subjects were enrolled, provided a bl...
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PMID: 17592666
PDF is available here.
PDF is available here.
Abstract
Arthropod-borne (arbo-) viruses have emerged as a major human health concern. Viruses transmitted by mosquitoes are the cause of the most serious and widespread arbovirus diseases worldwide and are ubiquitous in both feral and urban settings. Arboviruses, including dengue and West Nile virus, are in...
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PMID: 18342898
PDF is available here.
PDF is available here.
Current Drug Targets (9)2 2008
Abstract
Arthropod-borne viruses (arboviruses) are a significant cause of human diseases worldwide. Interactions between these viruses and the innate immune system play a major role in determining the outcome of disease. The complement system is particularly important in this process as activation of complem...
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PMID: 18288968
PDF is available here.
PDF is available here.
Trends in Microbiology (16)2 2008
Abstract
We discuss current information on CHIKV genetics, ecology and human infection. Further investigations on African CHIKV ecology and the differences between Flavivirus and Alphavirus members in adaptive changes and evolutionary constraints are likely to help delineate the potential of further CHIKV (r...
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PMID: 18191569
PDF is available here.
PDF is available here.
Voprosy Virusologii (53)4 2008
Abstract
Solid-phase enzyme immunoassay, neutralization test, and the hemagglutination-inhibition test were used to study the sera from human beings (152 samples), agricultural animals (n = 77), hares (n = 3), and wild birds (n = 69), collected in 2006-2007 in the Kuban River estuary (Temryuk District, Krasn...
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PMID: 18756814
PDF is available here.
PDF is available here.
Veterinary Record (161)18 2007
Abstract
Abstract
We report on the first extensive evaluation of the efficacy of various pesticides against this species, including laboratory dose-response assays and small plot field trials. In the laboratory, Ve. funerea was susceptible to temephos (Abate 100E) (lethal concentration, 95% endpoint [LC95] of 1.651 p...
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PMID: 17972627
PDF is available here.
PDF is available here.
Abstract
We present a draft sequence of the genome of Aedes aegypti, the primary vector for yellow fever and dengue fever, which at approximately 1376 million base pairs is about 5 times the size of the genome of the malaria vector Anopheles gambiae. Nearly 50% of the Ae. aegypti genome consists of transposa...
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PMID: 17510324
PDF is available here.
PDF is available here.
Abstract
Scores of arboviroses have been indexed in Brazil with variable rates of morbidity and mortality. Emergence of arboviroses and their transmission by hematophageous vectors are closely related to the country's recent history and in particular to its economic, social and ecological development. Most a...
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PMID: 17784683
PDF is available here.
PDF is available here.
Abstract
I present an individual-based model of zoonotic arbovirus transmission among birds and mosquitoes. The results of initial ensemble model simulations indicate that the co-location of a vector mosquito oviposition site with an infected bird roost increases the local vector-to-host density and increase...
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PMID: 17270228
PDF is available here.
PDF is available here.
Epidemiology and Infection (135)3 2007
Abstract
Nine different arboviruses are known to be transmitted by, or associated with, mosquitoes in Europe, and several (West Nile, Sindbis and Tahyna viruses) are reported to cause outbreaks of human disease. Although there have been no reported human cases in Great Britain (GB), there have been no publis...
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PMID: 16893487
PDF is available here.
PDF is available here.
BMC Genomics (8)1 2007
Abstract
Among these three RNAi silenced genes, only dsRNAs of HSC70B (dsHSC70B) promoted ONNV replication in adult An. gambiae compared to the control mosquitoes that were co-injected with ONNV and dsRNA of beta-galactosidase (dsbeta-gal). ONNV titers from mosquitoes co-injected with dsHSC70B were about 9-f...
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PMID: 17625007
PDF is available here.
PDF is available here.
Abstract
We compared the detection efficiency of Dengue (DEN), Yellow Fever (YF), Saint Louis Encephalitis (SLE), West Nile (WN), Ilheus (ILH), Group C (GC), Oropouche (ORO), Mayaro (MAY) and Venezuela Encephalitis Equine (VEE) viruses using a Modified Shell Vial Culture (MSVC) protocol to a Standard Cell Cu...
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PMID: 17940598
PDF is available here.
PDF is available here.
Abstract
Brazil is a large tropical country (8,514,215 km(2)) with 185,360,000 inhabitants. More than one third of its territory is covered by tropical forests or other natural ecosystems. These provide ideal conditions for the existence of many arboviruses, which are maintained in a large variety of zoonoti...
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PMID: 17568894
PDF is available here.
PDF is available here.
Abstract
Mourning doves (Zenaida macroura) are the most abundant and widespread native member of the columbid family, as well as a major migratory game species, in the United States. However, there is little information on mortality factors in mourning doves. Records of necropsy accessions at the Southeaster...
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PMID: 17347403
PDF is available here.
PDF is available here.
Abstract
Oviposition traps set in rural to urban environments in three south Florida counties were colonized predominantly by Culex quinquefasciatus Say (35.1%), Aedes albopictus (Skuse) (34.5%), Aedes aegypti (L.) (23.8%), and Culex nigripalpus Theobald (6.6%) during 1 yr of monthly sampling. Significant dif...
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PMID: 17162945
PDF is available here.
PDF is available here.
Abstract
West Nile virus has continued to have a large public health impact in North America. Improvements in blood donor screening have decreased transfusion-associated transmission of the virus. Monkeypox, with associated encephalitis, occurred in the US. Chandipura virus, an infrequently recognized rhabdo...
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PMID: 16914972
PDF is available here.
PDF is available here.
Abstract
We conducted surveillance at abattoirs in Nairobi, Kenya. Species of ticks collected included Rhipicephalus pulchellus (56%), Amblyomma gemma (14%), R. appendiculatus (8%), A. variegatum (6%), and others. A total of 56 virus isolates were obtained, 26 from A. gemma, 17 from R. pulchellus, 6 from A....
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PMID: 16836823
PDF is available here.
PDF is available here.
Abstract
The authors describe the baseline malaria prevalence and arbovirus seroprevalence among 467 subjects in an ongoing cohort study in rural Amazonia. Most subjects (72.2%) reported one or more previous episodes of malaria, and 15.6% had been hospitalized for malaria, but only 3.6% of individuals five y...
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PMID: 16751971
PDF is available here.
PDF is available here.
Abstract
We tested serum samples from 256 Cameroonian adults from nine rural villages for the presence of Dengue-2 (DEN-2), West Nile (WN), Yellow fever (YF), Chikungunya (CHIK), O'nyong-nyong (ONN), Sindbis (SIN), and Tahyna (TAH) infection using standard plaque-reduction neutralization tests (PRNT). Of the...
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PMID: 16760524
PDF is available here.
PDF is available here.
Abstract
Using a threshold model where a minimum level of host viremia is necessary to infect vectors affects our assessment of the relative importance of different host species in the transmission and spread of these pathogens. Other models may be more accurate descriptions of the relationship between host...
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PMID: 16739425
PDF is available here.
PDF is available here.
Abstract
We apply a coupled human-environment framework to describe the historical spread of Aedes albopictus, a competent mosquito vector of 22 arboviruses in the laboratory. We contrast this dispersal with the relatively unchanged distribution of Anopheles gambiae and examine possible future movements of t...
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PMID: 16606847
PDF is available here.
PDF is available here.
Abstract
We conclude that climate change is probably the most important requirement for the emergence of arthropodborne diseases such as dengue fever, yellow fever, Rift Valley fever, Japanese encephalitis, Crimean-Congo hemorrhagic fever, bluetongue, and African horse sickness in the United Kingdom. While o...
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PMID: 16704800
PDF is available here.
PDF is available here.
Abstract
Totally 1310 mosquitoes were collected from two villages of She county, Hebei province. They were divided into 46 pools and ground respectively. Thirteen positive isolates were obtained. Two isolates reacted with alphaviral antibodies and were amplified by alphaviral primers, nucleotide sequence sho...
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PMID: 16642220
PDF is available here.
PDF is available here.
Abstract
The paper contains methodical basis of ecovirological zoning in the analysis of the problem of interrelation between climatic changes and the activity of natural nidi of arboviral infection. The authors offer an original hieroglyphic system of cartographic signs of arboviruses and a map of prevalenc...
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PMID: 16544900
PDF is available here.
PDF is available here.
Abstract
Abstract
Arthropod-borne viruses (arboviruses) generally require horizontal transmission by arthropod vectors among vertebrate hosts for their natural maintenance. This requirement for alternate replication in disparate hosts places unusual evolutionary constraints on these viruses, which have probably limit...
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PMID: 16568903
PDF is available here.
PDF is available here.
Abstract
Abstract
Comprehensive epidemiological, entomological, virological, and parasitological studies were conducted to examine the species composition and size of bloodsucking arthropoda (mosquitoes and ticks). A total of 64,567 mosquitoes and 45,180 Ixodes ticks were collected. Among the mosquitoes, Anopheles ma...
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PMID: 16562747
PDF is available here.
PDF is available here.
Abstract
A great body of data on the fauna and ecology of wild mammals and their participation in the circulation of arboviruses were collected when the ecology of the latter of the Republic of Guinea was studied in 1978 to 1989. A hundred and eighteen species belonging to 10 orders were identified. Over 2,0...
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PMID: 16562748
PDF is available here.
PDF is available here.
Parassitologia (47)3-4 2005
Abstract
The first time the term phlebotomine sandfly was used, was by an Italian naturalist, Philippo Bonanni, in 1691. The first description though was made by another Italian naturalist, Scopoli, under the name Bibio papatasi. The name of the genus, Phlebotomus, was not given until 1840 by Rondani and Ber...
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PMID: 16866034
PDF is available here.
PDF is available here.
Abstract
Arbovirosis, viral infection transmitted by arthropods, is a widespread health problem. Recurrent outbreaks caused by some of these viruses such as dengue or West Nile strains in regions where they do not appear frequently, justify the establishment of global control measures. Tick-borne encephaliti...
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PMID: 16324569
PDF is available here.
PDF is available here.
FEBS Letters (579)26 2005
Abstract
We review the recent advances on defining a role of RNAi in the responses of invertebrate and vertebrate animals to virus infection. Approximately 40 miRNAs and 10 RNAi suppressors encoded by diverse mammalian viruses have been identified. Assays used for the identification of viral suppressors and...
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PMID: 16154568
PDF is available here.
PDF is available here.