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https://www.readbyqxmd.com/read/27932442/contraceptive-sales-in-the-setting-of-the-zika-virus-epidemic
#1
Luis Bahamondes, Moazzam Ali, Ilza Monteiro, Arlete Fernandes
STUDY QUESTION: Has there been any influence of the Zika virus (ZIKV) outbreak on the sales of contraceptive methods in Brazil? SUMMARY ANSWER: Contraceptive sales in the 24 months of evaluation showed little variation and no significant change has been observed since the ZIKV outbreak. WHAT IS KNOWN ALREADY: Transmission of ZIKV is primarily by Aedes aegypti mosquitoes; however, sexual transmission has also been described. The association of several birth defects and the ZIKV infection during pregnancy has been established, and it was estimated in Bahia, Brazil that the infection rate could range from 10% to 80%...
December 7, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27929451/the-self-regulation-model-of-illness-comparison-between-zika-and-dengue-and-its-application-to-predict-mosquito-prevention-behaviours-in-malaysia-a-dengue-endemic-country
#2
Li Ping Wong, Haridah Alias, Nasrin Aghamohammadi, I-Ching Sam, Sazaly AbuBakar
Perceptions about illnesses may influence self-care and preventive health behaviours. Illness perceptions of the Zika virus (ZIKV) infection were investigated under the framework of the Self-Regulation Model of Illness. Illness perception differences between ZIKV and dengue fever were also examined. Lastly, associations between illness perceptions of ZIKV with mosquito prevention practices were studied. Samples were drawn from landline telephone numbers using computer-assisted telephone interviewing in Malaysia...
December 6, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27929218/emerging-vector-borne-diseases
#3
Mark K Huntington, Jay Allison, Dilip Nair
Several mosquito-borne viral infections have recently emerged in North America; West Nile virus is the most common in the United States. Although West Nile virus generally causes a self-limited, flulike febrile illness, a serious neuroinvasive form may occur. Dengue is the most common vector-borne viral disease worldwide, and it has been a significant public health threat in the United States since 2009. Known as breakbone fever for its severe myalgias and arthralgias, dengue may cause a hemorrhagic syndrome...
October 1, 2016: American Family Physician
https://www.readbyqxmd.com/read/27923889/zika-virus-a-serious-global-health-threat
#4
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/27922001/anthropogenic-impacts-on-mosquito-populations-in-north-america-over-the-past-century
#5
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/27916410/meeting-report-who-consultation-on-considerations-for-regulatory-expectations-of-zika-virus-vaccines-for-use-during-an-emergency
#6
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/27912090/advances-in-zika-virus-research-stem-cell-models-challenges-and-opportunities
#7
REVIEW
Guo-Li Ming, Hengli Tang, Hongjun Song
The re-emergence of Zika virus (ZIKV) and its suspected link with various disorders in newborns and adults led the World Health Organization to declare a global health emergency. In response, the stem cell field quickly established platforms for modeling ZIKV exposure using human pluripotent stem cell-derived neural progenitors and brain organoids, fetal tissues, and animal models. These efforts provided significant insight into cellular targets, pathogenesis, and underlying biological mechanisms of ZIKV infection as well as platforms for drug testing...
December 1, 2016: Cell Stem Cell
https://www.readbyqxmd.com/read/27911897/heterologous-protection-against-asian-zika-virus-challenge-in-rhesus-macaques
#8
Matthew T Aliota, Dawn M Dudley, Christina M Newman, Emma L Mohr, Dane D Gellerup, Meghan E Breitbach, Connor R Buechler, Mustafa N Rasheed, Mariel S Mohns, Andrea M Weiler, Gabrielle L Barry, Kim L Weisgrau, Josh A Eudailey, Eva G Rakasz, Logan J Vosler, Jennifer Post, Saverio Capuano, Thaddeus G Golos, Sallie R Permar, Jorge E Osorio, Thomas C Friedrich, Shelby L O'Connor, David H O'Connor
BACKGROUND: Zika virus (ZIKV; Flaviviridae, Flavivirus) was declared a public health emergency of international concern by the World Health Organization (WHO) in February 2016, because of the evidence linking infection with ZIKV to neurological complications, such as Guillain-Barre Syndrome in adults and congenital birth defects including microcephaly in the developing fetus. Because development of a ZIKV vaccine is a top research priority and because the genetic and antigenic variability of many RNA viruses limits the effectiveness of vaccines, assessing whether immunity elicited against one ZIKV strain is sufficient to confer broad protection against all ZIKV strains is critical...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27911847/zika-virus-cell-tropism-in-the-developing-human-brain-and-inhibition-by-azithromycin
#9
Hanna Retallack, Elizabeth Di Lullo, Carolina Arias, Kristeene A Knopp, Matthew T Laurie, Carmen Sandoval-Espinosa, Walter R Mancia Leon, Robert Krencik, Erik M Ullian, Julien Spatazza, Alex A Pollen, Caleigh Mandel-Brehm, Tomasz J Nowakowski, Arnold R Kriegstein, Joseph L DeRisi
The rapid spread of Zika virus (ZIKV) and its association with abnormal brain development constitute a global health emergency. Congenital ZIKV infection produces a range of mild to severe pathologies, including microcephaly. To understand the pathophysiology of ZIKV infection, we used models of the developing brain that faithfully recapitulate the tissue architecture in early to midgestation. We identify the brain cell populations that are most susceptible to ZIKV infection in primary human tissue, provide evidence for a mechanism of viral entry, and show that a commonly used antibiotic protects cultured brain cells by reducing viral proliferation...
November 29, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27906864/potential-for-treatment-and-a-zika-virus-vaccine
#10
Natalie Quanquin, Lulan Wang, Genhong Cheng
PURPOSE OF REVIEW: Zika virus (ZIKV) has only recently been exposed as a significant public health threat, and much of our limited knowledge of its pathogenesis and triggered immune responses were discovered in only the last few years. There are currently no ZIKV-specific therapeutics or vaccines available. This review seeks to bring the reader up-to-date with the latest developments in finding a way to combat this emerging infectious disease. RECENT FINDINGS: Current strategies used for developing ZIKV vaccines or treatments follow proven methods used against other flaviviruses...
November 30, 2016: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/27904600/2015-outbreak-of-zika-virus-disease-declared-as-public-health-emergency-of-international-concern-justification-consequences-and-the-public-health-perspective
#11
Saurabh RamBihariLal Shrivastava, Prateek Saurabh Shrivastava, Jegadeesh Ramasamy
No abstract text is available yet for this article.
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27902502/zika-virus-and-patient-blood-management
#12
Lawrence T Goodnough, Marisa B Marques
Sporadic Zika virus infections had only occurred in Africa and Asia until an outbreak in Micronesia (Oceania) in 2007. In 2013 to 2014, several outer Pacific Islands reported local outbreaks. Soon thereafter, the virus was likely introduced in Brazil from competing athletes from French Polynesia and other countries that participated in a competition there. Transmission is thought to have occurred through mosquito bites and spread to the immunologically naive population. Being also a flavivirus, the Zika virus is transmitted by the Aedes mosquito that is endemic in South and Central America that is also the vector of West Nile virus, dengue, and chikungunya...
November 29, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27899678/virus-variation-resource-improved-response-to-emergent-viral-outbreaks
#13
Eneida L Hatcher, Sergey A Zhdanov, Yiming Bao, Olga Blinkova, Eric P Nawrocki, Yuri Ostapchuck, Alejandro A Schäffer, J Rodney Brister
The Virus Variation Resource is a value-added viral sequence data resource hosted by the National Center for Biotechnology Information. The resource is located at http://www.ncbi.nlm.nih.gov/genome/viruses/variation/ and includes modules for seven viral groups: influenza virus, Dengue virus, West Nile virus, Ebolavirus, MERS coronavirus, Rotavirus A and Zika virus Each module is supported by pipelines that scan newly released GenBank records, annotate genes and proteins and parse sample descriptors and then map them to controlled vocabulary...
November 28, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27894035/an-isothermal-label-free-and-rapid-one-step-rna-amplification-detection-assay-for-diagnosis-of-respiratory-viral-infections
#14
Bonhan Koo, Choong Eun Jin, Tae Yoon Lee, Jeong Hoon Lee, Mi Kyoung Park, Heungsup Sung, Se Yoon Park, Hyun Jung Lee, Sun Mi Kim, Ji Yeun Kim, Sung-Han Kim, Yong Shin
Recently, RNA viral infections caused by respiratory viruses, such as influenza, parainfluenza, respiratory syncytial virus, coronavirus, and Middle East respiratory syndrome-coronavirus (MERS-CoV), and Zika virus, are a major public health threats in the world. Although myriads of diagnostic methods based on RNA amplification have been developed in the last decades, they continue to lack speed, sensitivity, and specificity for clinical use. A rapid and accurate diagnostic method is needed for appropriate control, including isolation and treatment of the patients...
November 23, 2016: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27892990/zika-virus-what-the-otolaryngologist-should-know-a-review
#15
Demetri Arnaoutakis, Tapan Padhya
Importance: Initially discovered in 1947, Zika virus infection received little notoriety as a tropical disease until 2015 when an outbreak of microcephaly cases was reported in Brazil. Zika is a single-stranded RNA arbovirus of the Flaviviridae family. The primary source of infection in humans stems from Aedes aegypti mosquito bites but can also occur through sexual, blood, and perinatal transmission. With expectations that 3 to 4 million people across the Americas will be infected over the next year, the World Health Organization has declared this event a Public Health Emergency of International Concern...
November 17, 2016: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/27889529/antiviral-activities-of-selected-antimalarials-against-dengue-virus-type-2-and-zika-virus
#16
Anuradha Balasubramanian, Tadahisa Teramoto, Amol A Kulkarni, Apurba K Bhattacharjee, Radhakrishnan Padmanabhan
In a previous study, twelve antimalarial compounds, amodiaquine (AQ) and derivatives, were shown to have potent anti-dengue viral (DENV) activity by using the stable DENV2 Renilla luciferase reporter replicon expressing BHK-21 cells, infectivity (plaque), and the qRT-PCR assays. In this study, we performed molecular modeling on these compounds to determine their stereo-electronic properties required for optimal antiviral activity. Based on the similarity of calculated stereo-electronic profiles, specifically the electrostatic potential profiles of the compounds, and in silico screening of related compounds from literature, we identified three additional compounds, Quinacrine (QC), Mefloquine (MQ), and GSK369796...
November 23, 2016: Antiviral Research
https://www.readbyqxmd.com/read/27881649/the-many-faces-of-the-flavivirus-ns5-protein-in-antagonism-of-type-i-interferon-signaling
#17
Sonja M Best
The vector-borne flaviviruses cause severe disease in humans on every inhabited continent on earth. Their transmission by arthropods, particularly mosquitoes, facilitates large emergence events such as witnessed with Zika virus (ZIKV) or West Nile virus in the Americas. Every vector-borne flavivirus examined thus far that causes disease in humans, from dengue virus to ZIKV, antagonizes the host type I interferon (IFN-I) response by preventing JAK-STAT signaling, suggesting that suppression of this pathway is an important determinant of infection...
November 23, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27878100/neurological-manifestations-of-zika-virus-infection
#18
REVIEW
Ana-Belén Blázquez, Juan-Carlos Saiz
Zika virus (ZIKV) is a flavivirus (Flaviviridae family) transmitted mainly by Aedes mosquitoes. The virus was restricted to the African continent until its spread to south-east Asia in the 1980's, the Micronesia in 2007, the French Polynesia in 2013 and, more recently in the Americas in 2015, where, up to date, the World Health Organization (WHO) has estimated about 3-4 million total cases of ZIKV infection. During outbreaks in the French Polynesia and Brazil in 2013 and 2015, respectively, national health authorities reported potential neurological complications of ZIKV disease, chiefly an upsurge in Guillain-Barré syndrome, which coincided with ZIKV outbreaks...
November 12, 2016: World Journal of Virology
https://www.readbyqxmd.com/read/27876643/the-emergence-of-arthropod-borne-viral-diseases-a-global-prospective-on-dengue-chikungunya-and-zika-fevers
#19
REVIEW
Sandra V Mayer, Robert B Tesh, Nikos Vasilakis
Arthropod-borne viruses (arboviruses) present a substantial threat to human and animal health worldwide. Arboviruses can cause a variety of clinical presentations that range from mild to life threatening symptoms. Many arboviruses are present in nature through two distinct cycles, the urban and sylvatic cycle that are maintained in complex biological cycles. In this review we briefly discuss the factors driving the emergence of arboviruses, such as the anthropogenic aspects of unrestrained human population growth, economic expansion and globalization...
November 19, 2016: Acta Tropica
https://www.readbyqxmd.com/read/27876396/anatomical-animal-and-cellular-evidence-for-zika-induced-pathogenesis-of-fetal-microcephaly
#20
REVIEW
Jing-Zhang Wang, Xin-Hua Guo, Dian-Guo Xu
Several recent articles published by Brain and Development in 2016 demonstrated some rare, but innovative, genetic mechanisms for microcephaly. This concise mini-review presented another novel pathogenic mechanism for microcephaly, which has actually been a worldwide medical challenge since the World Health Organization (WHO) defined the outbreak of the Zika virus (ZIKV) as an International Public Health Emergency on 1 Feb, 2016. As a recent noteworthy clinical phenomenon, the ZIKV outbreak was accompanied by a dramatically increased number of microcephalus fetuses...
November 19, 2016: Brain & Development
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