Viruses, Vol. 11, Pages 1059: Mosquitoes of North-Western Europe as Potential Vectors of Arboviruses: A Review

Conclusions: Aedes albopictus is responsible for the current outbreaks. The spread of Aedes albopictus and Aedes japonicus increases the risk of the autochthonous transmission of these viruses. Although native species could contribute to their transmission, more studies are still needed to assess that risk.
Source: Viruses - Category: Virology Authors: Tags: Review Source Type: research

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Canadian Journal of Microbiology, e-First Articles. Zika virus (ZIKV) is a mosquito-borne virus that was first isolated from Zika forest, Uganda, in 1947. Since its inception, major and minor outbreaks have been documented from several parts of world. Aedes spp. mosquitoes are the primary vectors of ZIKV, but the virus can also be transmitted through sexual practices, materno-fetal transmission, and blood transfusion. The clinical presentations of symptomatic ZIKV infections are similar to dengue and chikungunya, including fever, headache, arthralgia, retro-orbital pain, conjunctivitis, and rash. ZIKV often causes mild ill...
Source: Canadian Journal of Microbiology - Category: Microbiology Authors: Source Type: research
This report shows the need for an efficient surveillance system to control the spread of this virus in the population and suggests the use of saliva and urine samples as an alternative for the detection of OROV when serum samples are not available. PMID: 31787741 [PubMed - as supplied by publisher]
Source: Japanese Journal of Infectious Diseases - Category: Infectious Diseases Authors: Tags: Jpn J Infect Dis Source Type: research
Authors: Maniero VC, Rangel PSC, Coelho LMC, Silva CSB, Aguiar RS, Lamas CC, Cardozo SV Abstract A progressive increase in the circulation of arboviruses in tropical countries has been observed, accounting for 700,000 yearly deaths in the world. The main objective of this article was to identify the presence of Zika (ZIKV), dengue (DENV), and Chikungunya (CHIKV) viruses in immature stages of Aedes aegypti and Ae. albopictus. Household collections of immature phases of the vectors were carried out in the years 2015 and 2016. A total of 2902 dwellings were visited and the rate of infestation with larvae and pupae of ...
Source: Brazilian Journal of Medical and Biological Research - Category: Research Tags: Braz J Med Biol Res Source Type: research
While efforts to control malaria with available tools have stagnated, and arbovirus outbreaks persist around the globe, the advent of clustered regularly interspaced short palindromic repeat (CRISPR)-based gene editing has provided exciting new opportunities for genetics-based strategies to control these diseases. In one such strategy, called “population replacement”, mosquitoes, and other disease vectors are engineered with effector genes that render them unable to transmit pathogens. These effector genes can be linked to “gene drive” systems that can bias inheritance in their favor, providing nove...
Source: Frontiers in Genetics - Category: Genetics & Stem Cells Source Type: research
Conclusions/significanceOur study shows that exposure to bites ofAe.albopictus orAe.aegypti evokes in mice species-specific IgG responses to al34k2 or ae34k2, respectively. Deeper understanding of duration of antibody response and validation in natural conditions of human exposure toAedes mosquitoes are certainly needed. However, our findings point to the al34k2 salivary protein as a promising potential candidate for the development of immunoassays to evaluate human exposure toAe.albopictus. This would be a step forward in the establishment of a serological toolbox for the simultaneous assessment of human exposure toAedes ...
Source: PLoS Neglected Tropical Diseases - Category: Tropical Medicine Authors: Source Type: research
by Elliott F. Miot, Fabien Aubry, St éphanie Dabo, Ian H. Mendenhall, Sébastien Marcombe, Cheong H. Tan, Lee C. Ng, Anna-Bella Failloux, Julien Pompon, Paul T. Brey, Louis Lambrechts The case-fatality rate of yellow fever virus (YFV) is one of the highest among arthropod-borne viruses (arboviruses). Although historically, the Asia-Pacific region has remained free of YFV, the risk of introduction has never been higher due to the increasing influx of people from endemic regions and the recent outbreaks in Africa and South America. Singapore is a global hub for trade and tourism and therefore at high risk for Y...
Source: PLoS Neglected Tropical Diseases - Category: Tropical Medicine Authors: Source Type: research
CONCLUSIONS: The present study highlights the need for regional-local vector surveillance and transnational collaboration between neighboring countries to assess the impact of implemented vector control strategies, promote timely actions and develop preparedness plans. PMID: 31553370 [PubMed - in process]
Source: Memorias do Instituto Oswaldo Cruz - Category: Infectious Diseases Authors: Tags: Mem Inst Oswaldo Cruz Source Type: research
ver The unprecedented outbreak of Zika virus (ZIKV) infection in the Americas from 2015 to 2017 prompted the publication of a large body of vector competence data in a relatively short period of time. Although differences in vector competence as a result of disparities in mosquito populations and viral strains are to be expected, the limited competence of many populations of the urban mosquito vector, Aedes aegypti, from the Americas (when its susceptibility is viewed relative to other circulating/reemerging mosquito-borne viruses such as dengue (DENV), yellow fever (YFV), and chikungunya viruses (CHIKV)) has proven a ...
Source: Viruses - Category: Virology Authors: Tags: Review Source Type: research
Hurricane Dorian’s 185 mph winds and punishingly slow pace smashed entire neighborhoods in the Bahamas, killing at least 50 people. But now, Bahamians are facing a different kind of threat. The lack of access to toilets, clean water and medications puts tens of thousands at risk for disease, public health experts warn. Bahamians in the hardest-hit areas are already suffering from cuts and gashes caused by widespread debris and wreckage. But now aid groups are saying survivors are beginning to show signs of gastrointestinal issues from contaminated water. Those with chronic illnesses are struggling without access to t...
Source: TIME: Health - Category: Consumer Health News Authors: Tags: Uncategorized Bahamas Infectious Disease onetime weather Source Type: news
DiscussionChikungunya outbreaks have been reported in the study area in the past, so the high seroprevalence is not surprising. However, scarce evidence exists on dengue transmission in Kinshasa and based on our data, circulation is more important than previously reported. Furthermore, our study shows that the prescription of antibiotics, both antibacterial and antimalarial drugs, is rampant. Studies like this one, elucidating the causes of acute fever, may lead to a more considerate and rigorous use of antibiotics. This will not only stem the ever-increasing problem of antimicrobial resistance, but will –ultimately ...
Source: PLoS Neglected Tropical Diseases - Category: Tropical Medicine Authors: Source Type: research
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