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https://www.readbyqxmd.com/read/27926934/public-health-interventions-for-aedes-control-in-the-time-of-zikavirus-a-meta-review-on-effectiveness-of-vector-control-strategies
#1
Maha Bouzid, Julii Brainard, Lee Hooper, Paul R Hunter
BACKGROUND: There is renewed interest in effective measures to control Zika and dengue vectors. A synthesis of published literature with a focus on the quality of evidence is warranted to determine the effectiveness of vector control strategies. METHODOLOGY: We conducted a meta-review assessing the effectiveness of any Aedes control measure. We searched Scopus and Medline for relevant reviews through to May 2016. Titles, abstracts and full texts were assessed independently for inclusion by two authors...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27926933/comparative-analysis-of-dengue-and-zika-outbreaks-reveals-differences-by-setting-and-virus
#2
Sebastian Funk, Adam J Kucharski, Anton Camacho, Rosalind M Eggo, Laith Yakob, Lawrence M Murray, W John Edmunds
The pacific islands of Micronesia have experienced several outbreaks of mosquito-borne diseases over the past decade. In outbreaks on small islands, the susceptible population is usually well defined, and there is no co-circulation of pathogens. Because of this, analysing such outbreaks can be useful for understanding the transmission dynamics of the pathogens involved, and particularly so for yet understudied pathogens such as Zika virus. Here, we compared three outbreaks of dengue and Zika virus in two different island settings in Micronesia, the Yap Main Islands and Fais, using a mathematical model of transmission dynamics and making full use of commonalities in disease and setting between the outbreaks...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27926355/characteristics-of-us-travelers-to-zika-virus-affected-countries-in-the-americas-march-2015-october-2016
#3
Sara Lammert, Allison Taylor Walker, Stefanie Erskine, Sowmya R Rao, Douglas H Esposito, Edward T Ryan, Gregory K Robbins, Regina C LaRocque
Zika virus has recently been introduced to the Americas and is spreading rapidly. We evaluated the characteristics of US travelers to Zika virus-affected countries who were seen at Global TravEpiNet sites during March 2015-October 2016. Nearly three quarters of travelers were men or women of reproductive age.
February 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/27925821/zika-s-challenge-to-public-health
#4
Randall M Packard
No abstract text is available yet for this article.
January 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/27923950/results-of-a-zika-virus-zikv-immunoglobulin-m-specific-diagnostic-assay-are-highly-correlated-with-detection-of-neutralizing-anti-zikv-antibodies-in-neonates-with-congenital-disease
#5
Marli T Cordeiro, Carlos A A Brito, Lindomar J Pena, Priscila M S Castanha, Laura H V G Gil, Kennya G S Lopes, Rafael Dhalia, Jucille A Meneses, Ana C Ishigami, Luisa M Mello, Liciana X E Alencar, Klarissa M Guarines, Laura C Rodrigues, Ernesto T A Marques
BACKGROUND:  Usually, immunoglobulin M (IgM) serologic analysis is not sufficiently specific to confirm Zika virus (ZIKV) infection. However, since IgM does not cross the placenta, it may be a good marker of infection in neonates. METHODS:  We tested blood from 42 mothers and neonates with microcephaly and collected cerebrospinal fluid (CSF) specimens from 30 neonates. Molecular assays were performed for detection of ZIKV, dengue virus, and chikungunya virus; IgM enzyme-linked immunosorbent assays and plaque-reduction neutralization tests (PRNTs) were performed to detect ZIKV and dengue virus...
December 15, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27923889/zika-virus-a-serious-global-health-threat
#6
Candice J McNeil, Avinash K Shetty
In February 2016, the World Health Organization declared Zika virus (ZIKV) infection a public health emergency of international concern, given the precipitous spread of the virus across the Americas. Unlike arboviruses such as Chikungunya and Dengue, which have also recently emerged in the western hemisphere, ZIKV was identified in communities where concurrent neurologic conditions such as microcephaly and Guillain-Barre (GB) syndrome were occurring at alarming rates. Thus, investigations to systematically evaluate the link between ZIKV, congenital malformations (including microcephaly) and GB syndrome remain a top priority...
December 5, 2016: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/27923187/sleep-eeg-patterns-in-infants-with-congenital-zika-virus-syndrome
#7
Maria Durce Costa Gomes Carvalho, Demócrito de Barros Miranda-Filho, Vanessa van der Linden, Paula Fabiana Sobral, Regina Coeli Ferreira Ramos, Maria Ângela Wanderley Rocha, Marli Tenório Cordeiro, Sarah Pinheiro de Alencar, Magda Lahorgue Nunes
OBJECTIVES: To describe sleep EEG patterns of neonates, and infants with microcephaly due to congenital Zika virus (ZikV) syndrome. METHODS: A descriptive case series of EEGs performed in a cohort of neonates with microcephaly monitored from October 2015 to February 2016 at a University Hospital in Northeast Brazil. Infants were investigated following an established protocol that includes EEG, neuroimaging studies, PCR and specific antibodies for ZikV detection...
November 14, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/27922617/transfer-of-convalescent-serum-to-pregnant-mice-prevents-zika-virus-infection-and-microcephaly-in-offspring
#8
Shuo Wang, Shuai Hong, Yong-Qiang Deng, Qing Ye, Ling-Zhai Zhao, Fu-Chun Zhang, Cheng-Feng Qin, Zhiheng Xu
No abstract text is available yet for this article.
December 6, 2016: Cell Research
https://www.readbyqxmd.com/read/27922001/anthropogenic-impacts-on-mosquito-populations-in-north-america-over-the-past-century
#9
Ilia Rochlin, Ary Faraji, Dominick V Ninivaggi, Christopher M Barker, A Marm Kilpatrick
The recent emergence and spread of vector-borne viruses including Zika, chikungunya and dengue has raised concerns that climate change may cause mosquito vectors of these diseases to expand into more temperate regions. However, the long-term impact of other anthropogenic factors on mosquito abundance and distributions is less studied. Here, we show that anthropogenic chemical use (DDT; dichlorodiphenyltrichloroethane) and increasing urbanization were the strongest drivers of changes in mosquito populations over the last eight decades in areas on both coasts of North America...
December 6, 2016: Nature Communications
https://www.readbyqxmd.com/read/27920162/-hey-everybody-don-t-get-pregnant-zika-who-and-an-ethical-framework-for-advising
#10
Katie Byron, Dana Howard
WHO recently issued new guidance on the prevention of sexual transmission of Zika virus. The updated guidance states that '[c]ountry health programmes should ensure that… [i]n order to prevent adverse pregnancy and fetal outcomes, men and women of reproductive age, living in areas where local transmission of Zika virus is known to occur, be correctly informed and oriented to consider delaying pregnancy'. While the media has reported this advice as WHO telling couples in Zika-affected regions to avoid pregnancy, WHO states that they are not doing that...
December 5, 2016: Journal of Medical Ethics
https://www.readbyqxmd.com/read/27919709/evaluation-of-anti-zika-virus-activities-of-broad-spectrum-antivirals-and-nih-clinical-collection-compounds-using-a-cell-based-high-throughput-screen-assay
#11
Robert S Adcock, Yong-Kyu Chu, Jennifer E Golden, Dong-Hoon Chung
Recent studies have clearly underscored the association between Zika virus (ZIKV) and severe neurological diseases such as microcephaly and Guillain-Barre syndrome. Given the historical complacency surrounding this virus, however, no significant antiviral screenings have been performed to specifically target ZIKV. As a result, there is an urgent need for a validated screening method and strategy that is focused on highlighting potential anti-ZIKV inhibitors that can be further advanced via rigorous validation and optimization...
December 2, 2016: Antiviral Research
https://www.readbyqxmd.com/read/27919154/-many-doubts-about-the-relationship-between-cases-of-microcephaly-and-zika-virus-in-brazil
#12
Roberto Ronchetti, Pietro Massimiliano Bianco
During the last few years, Zika virus rapidly spread across Central and South America and in the last months has spread also across Southern States of USA. As the epidemic began in Brazil, an increase of microcephaly cases was registered, causing concern and inducing the World Health Organization to raise an alarm. Certainly, the Zika virus, as many other viruses, has the capacity to induce severe cerebral lesions in foetuses of women infected during the first months of pregnancy. Moreover, more than 80% of cases of craniostenosys that verisimilarly took place in Brazil from September 2015 up to now were registered in few states of North- Eastern Brazil, where peaks of this malformation were registered several years before the appearance of Zika virus...
November 2016: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/27918261/indoor-development-of-aedes-aegypti-in-germany-2016
#13
Helge Kampen, Stephanie Jansen, Jonas Schmidt-Chanasit, Doreen Walther
In spring 2016, a German traveller returning from Martinique cultivated imported plant offsets in her home, and accidentally bred Aedes aegypti. Thirteen adult mosquito specimens submitted for identification and the traveller were tested for Zika, dengue and chikungunya virus infections, with negative results. The detection of Ae. aegypti by the 'Mueckenatlas' project demonstrates the value of this passive surveillance scheme for potential public health threats posed by invasive mosquitoes in Germany.
November 24, 2016: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/27916837/chloroquine-an-endocytosis-blocking-agent-inhibits-zika-virus-infection-in-different-cell-models
#14
Rodrigo Delvecchio, Luiza M Higa, Paula Pezzuto, Ana Luiza Valadão, Patrícia P Garcez, Fábio L Monteiro, Erick C Loiola, André A Dias, Fábio J M Silva, Matthew T Aliota, Elizabeth A Caine, Jorge E Osorio, Maria Bellio, David H O'Connor, Stevens Rehen, Renato Santana de Aguiar, Andrea Savarino, Loraine Campanati, Amilcar Tanuri
Zika virus (ZIKV) infection in utero might lead to microcephaly and other congenital defects. Since no specific therapy is available thus far, there is an urgent need for the discovery of agents capable of inhibiting its viral replication and deleterious effects. Chloroquine is widely used as an antimalarial drug, anti-inflammatory agent, and it also shows antiviral activity against several viruses. Here we show that chloroquine exhibits antiviral activity against ZIKV in Vero cells, human brain microvascular endothelial cells, human neural stem cells, and mouse neurospheres...
November 29, 2016: Viruses
https://www.readbyqxmd.com/read/27916410/meeting-report-who-consultation-on-considerations-for-regulatory-expectations-of-zika-virus-vaccines-for-use-during-an-emergency
#15
K S Vannice, B K Giersing, D C Kaslow, E Griffiths, H Meyer, A Barrett, A P Durbin, D Wood, J Hombach
On 1 February 2016, in the context of the ongoing Zika virus epidemic, the WHO declared that the recently reported clusters of microcephaly and other neurological disorders constituted a Public Health Emergency of International Concern (PHEIC). In response, WHO in collaboration with UNICEF and a working group of independent subject matter experts developed a Zika virus vaccine Target Product Profile (TPP) for use in an emergency, or in a future outbreak scenario. The drafting process of the Zika virus vaccine TPP included the opportunity for public comment, as well as consultation with epidemiologists, flavivirus vaccine subject matter experts, vaccine developers and global regulators to consider the regulatory expectations and potential emergency use pathways for a vaccine with the characteristics described in the TPP...
December 1, 2016: Vaccine
https://www.readbyqxmd.com/read/27916339/a-pregnant-teen-living-in-an-area-with-active-zika-virus-transmission
#16
Jane Cox
No abstract text is available yet for this article.
December 1, 2016: Journal of Pediatric Health Care
https://www.readbyqxmd.com/read/27915293/molecular-mechanism-of-divalent-metal-induced-activation-of-ns3-helicase-and-insights-into-zika-virus-inhibitor-design
#17
Xiaocong Cao, Yajuan Li, Xiangyu Jin, Yuelong Li, Feng Guo, Tengchuan Jin
Zika virus has attracted increasing attention because of its potential for causing human neural disorders, including microcephaly in infants and Guillain-Barré syndrome. Its NS3 helicase domain plays critical roles in NTP-dependent RNA unwinding and translocation during viral replication. Our structural analysis revealed a pre-activation state of NS3 helicase in complex with GTPγS, in which the triphosphate adopts a compact conformation in the absence of any divalent metal ions. In contrast, in the presence of a divalent cation, GTPγS adopts an extended conformation, and the Walker A motif undergoes substantial conformational changes...
December 1, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27914852/a-call-to-strengthen-the-global-strategy-against-schistosomiasis-and-soil-transmitted-helminthiasis-the-time-is-now
#18
REVIEW
Nathan C Lo, David G Addiss, Peter J Hotez, Charles H King, J Russell Stothard, Darin S Evans, Daniel G Colley, William Lin, Jean T Coulibaly, Amaya L Bustinduy, Giovanna Raso, Eran Bendavid, Isaac I Bogoch, Alan Fenwick, Lorenzo Savioli, David Molyneux, Jürg Utzinger, Jason R Andrews
In 2001, the World Health Assembly (WHA) passed the landmark WHA 54.19 resolution for global scale-up of mass administration of anthelmintic drugs for morbidity control of schistosomiasis and soil-transmitted helminthiasis, which affect more than 1·5 billion of the world's poorest people. Since then, more than a decade of research and experience has yielded crucial knowledge on the control and elimination of these helminthiases. However, the global strategy has remained largely unchanged since the original 2001 WHA resolution and associated WHO guidelines on preventive chemotherapy...
November 30, 2016: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/27914834/glaucoma-and-congenital-zika-syndrome
#19
Bruno de Paula Freitas, Albert I Ko, Ricardo Khouri, Monica Mayoral, Daniele Freitas Henriques, Maurício Maia, Rubens Belfort
No abstract text is available yet for this article.
November 18, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27912091/genetic-ablation-of-axl-does-not-protect-human-neural-progenitor-cells-and-cerebral-organoids-from-zika-virus-infection
#20
Michael F Wells, Max R Salick, Ole Wiskow, Daniel J Ho, Kathleen A Worringer, Robert J Ihry, Sravya Kommineni, Bilada Bilican, Joseph R Klim, Ellen J Hill, Liam T Kane, Chaoyang Ye, Ajamete Kaykas, Kevin Eggan
Zika virus (ZIKV) can cross the placental barrier, resulting in infection of the fetal brain and neurological defects including microcephaly. The cellular tropism of ZIKV and the identity of attachment factors used by the virus to gain access to key cell types involved in pathogenesis are under intense investigation. Initial studies suggested that ZIKV preferentially targets neural progenitor cells (NPCs), providing an explanation for the developmental phenotypes observed in some pregnancies. The AXL protein has been nominated as a key attachment factor for ZIKV in several cell types including NPCs...
December 1, 2016: Cell Stem Cell
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