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https://www.readbyqxmd.com/read/28527892/outbreak-of-zika-virus-infection-in-singapore-an-epidemiological-entomological-virological-and-clinical-analysis
#1
(no author information available yet)
BACKGROUND: An outbreak of Zika virus infection was detected in Singapore in August, 2016. We report the first comprehensive analysis of a national response to an outbreak of Zika virus infection in Asia. METHODS: In the first phase of the outbreak, patients with suspected Zika virus infection were isolated in two national referral hospitals until their serum tested negative for the virus. Enhanced vector control and community engagement measures were deployed in disease clusters, including stepped-up mosquito larvicide and adulticide use, community participation in source reduction (destruction of mosquito breeding sites), and work with the local media to promote awareness of the outbreak...
May 17, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28527891/zika-virus-in-singapore-unanswered-questions
#2
Didier Musso, Marion C Lanteri
No abstract text is available yet for this article.
May 17, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28527274/caracter%C3%A3-sticas-de-la-estructura-molecular-de-las-prote%C3%A3-nas-e-del-virus-del-zika-y-e1-del-virus-de-la-rub%C3%A3-ola-y-posibles-implicaciones-en-el-neurotropismo-y-en-las-alteraciones-del-sistema-nervioso
#3
Luis Alberto Gómez, Gladis Montoya, Hernán Mauricio Rivera, Juan Carlos Hernández
Introducción. El virus del Zika (ZIKV) es un flavivirus con envoltura, transmitido a los seres humanos principalmente por el vector Aedes aegypti. La infección por ZIKV se ha asociado con un gran neurotropismo y con efectos neuropáticos, como el síndrome de Guillain-Barré en el adulto y la microcefalia fetal y posnatal, así como con un síndrome de infección congénita similar al producido por el virus de la rubéola (RV).Objetivo. Comparar las estructuras moleculares de la proteína de envoltura E del virus del Zika (E-ZIKV) y de la E1 del virus de la rubéola (E1-RV), y plantear posibles implicaciones en el neurotropismo y en las alteraciones del sistema nervioso asociadas con el ZIKV...
April 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28525510/zika-virus-obstetric-and-pediatric-anesthesia-considerations
#4
Jacqueline L Tutiven, Benjamin T Pruden, James S Banks, Mario Stevenson, David J Birnbach
As of November 2016, the Florida Department of Health (FDH) and the Centers for Disease Control and Prevention have confirmed more than 4000 travel-related Zika virus (ZIKV) infections in the United States with >700 of those in Florida. There have been 139 cases of locally acquired infection, all occurring in Miami, Florida. Within the US territories (eg, Puerto Rico, US Virgin Islands), >30,000 cases of ZIKV infection have been reported. The projected number of individuals at risk for ZIKV infection in the Caribbean and Latin America approximates 5 million...
June 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28525498/coming-to-a-patient-near-you-the-zika-virus-and-anesthetic-implications
#5
Naveen Nathan
No abstract text is available yet for this article.
June 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28524874/impact-of-simultaneous-exposure-to-arboviruses-on-infection-and-transmission-by-aedes-aegypti-mosquitoes
#6
Claudia Rückert, James Weger-Lucarelli, Selene M Garcia-Luna, Michael C Young, Alex D Byas, Reyes A Murrieta, Joseph R Fauver, Gregory D Ebel
The recent emergence of both chikungunya and Zika viruses in the Americas has significantly expanded their distribution and has thus increased the possibility that individuals may become infected by more than one Aedes aegypti-borne virus at a time. Recent clinical data support an increase in the frequency of coinfection in human patients, raising the likelihood that mosquitoes could be exposed to multiple arboviruses during one feeding episode. The impact of coinfection on the ability of relevant vector species to transmit any of these viruses (that is, their vector competence) has not been determined...
May 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28522665/nonmicrocephalic-infants-with-congenital-zika-syndrome-suspected-only-after-neuroimaging-evaluation-compared-with-those-with-microcephaly-at-birth-and-postnatally-how-large-is-the-zika-virus-iceberg
#7
M F V V Aragao, A C Holanda, A M Brainer-Lima, N C L Petribu, M Castillo, V van der Linden, S C Serpa, A G Tenório, P T C Travassos, M T Cordeiro, C Sarteschi, M M Valenca, A Costello
BACKGROUND AND PURPOSE: Although microcephaly is the most prominent feature of congenital Zika syndrome, a spectrum with less severe cases is starting to be recognized. Our aim was to review neuroimaging of infants to detect cases without microcephaly and compare them with those with microcephaly. MATERIALS AND METHODS: We retrospectively evaluated all neuroimaging (MR imaging/CT) of infants 1 year of age or younger. Patients with congenital Zika syndrome were divided into those with microcephaly at birth, postnatal microcephaly, and without microcephaly...
May 18, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28520489/impact-of-the-2016-ecuador-earthquake-on-zika-virus-cases
#8
Diego Vasquez, Ana Palacio, Jose Nuñez, Wladimir Briones, John C Beier, Denisse C Pareja, Leonardo Tamariz
OBJECTIVES: To evaluate the impact of the April 2016 7.8-magnitude earthquake in Ecuador on the incidence of Zika virus (ZIKV) cases. METHODS: We used the national public health surveillance system for reportable transmissible conditions and included suspected and laboratory-confirmed ZIKV cases. We compared the number of cases before and after the earthquake in areas closer to and farther from the epicenter. RESULTS: From January to July 2016, 2234 patients suspected of having ZIKV infection were reported in both affected and control areas...
May 18, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28518162/zika-neutralizing-antibodies
#9
Laurie A Dempsey
No abstract text is available yet for this article.
May 18, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28518023/zika-virus-associated-cognitive-impairment-in-adolescent-2016
#10
Jason Zucker, Natalie Neu, Claudia A Chiriboga, Veronica J Hinton, Marc Leonardo, Arif Sheikh, Kiran Thakur
Incidence of neurologic manifestations associated with Zika virus infection has been increasing. In 2016, neuropsychological and cognitive changes developed in an adolescent after travel to a Zika virus-endemic area. Single-photon emission computed tomography and neuropsychological testing raised the possibility that Zika virus infection may lead to neuropsychiatric and cognitive symptoms.
June 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28517033/high-throughput-sequencing-of-transposable-element-insertions-suggests-adaptive-evolution-of-the-invasive-asian-tiger-mosquito-towards-temperate-environments
#11
Clément Goubert, Hélène Henri, Guillaume Minard, Claire Valiente Moro, Patrick Mavingui, Cristina Vieira, Matthieu Boulesteix
Invasive species represent unique opportunities to evaluate the role of local adaptation during colonization of new environments. Among these species, the Asian tiger mosquito, Aedes albopictus, is a threatening vector of several human viral diseases, including dengue and chikungunya, and raises concerns about the Zika fever. Its broad presence in both temperate and tropical environments has been considered the reflection of great "ecological plasticity". However, no study has been conducted to assess the role of adaptive evolution in the ecological success of Ae...
May 18, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28516037/zika-virus-infection-in-a-newly-married-greek-couple
#12
Petros Ioannou, Stella Soundoulounaki, Nikolaos Spernovasilis, Elpida Papadopoulou, Anna Papa, Achilleas Gikas
Zika virus (ZIKV) is a member of the Flaviviridae family causing asymptomatic or mildly symptomatic infections with fever, rash, arthralgia and headache. It is transmitted by the Aedes species mosquitoes and also sexually and transplacentally, and has been recently associated with congenital neurologic birth defects in South and Central America. We report the case of a newly married couple from Greece who travelled to Cuba for their honeymoon and developed mild symptoms consistent with arboviral infection. After returning to Greece, they were found to have been infected by Zika virus during their honeymoon...
2017: IDCases
https://www.readbyqxmd.com/read/28515302/transposon-mutagenesis-of-the-zika-virus-genome-highlights-regions-essential-for-rna-replication-and-restricted-for-immune-evasion
#13
Benjamin O Fulton, David Sachs, Megan C Schwarz, Peter Palese, Matthew J Evans
The molecular constraints affecting Zika virus (ZIKV) evolution are not well understood. To investigate ZIKV genetic flexibility, we used transposon mutagenesis to add 15-nucleotide insertions throughout the MR766 ZIKV genome and subsequently deep sequenced the viable mutants. Few ZIKV insertion mutants replicated, which likely reflects a high degree of functional constraints on the genome. The NS1 gene exhibited distinct mutational tolerances at different stages of the screen. This result may define regions of the NS1 protein that are required for the different stages of the viral life cycle...
May 17, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28514683/dengue-antibodies-then-zika-a-fatal-sequence-in-mice
#14
Jonathan J Miner, Michael S Diamond
Anti-Dengue virus (DENV) antibodies can be either protective or pathogenic in humans with prior DENV infection. In a recent issue of Science, Bardina et al. (2017) demonstrated that passive transfer of immune plasma against DENV and West Nile virus (WNV) can enhance Zika virus (ZIKV) infection and pathogenesis in mice.
May 16, 2017: Immunity
https://www.readbyqxmd.com/read/28514450/evolutionary-enhancement-of-zika-virus-infectivity-in-aedes-aegypti-mosquitoes
#15
Yang Liu, Jianying Liu, Senyan Du, Chao Shan, Kaixiao Nie, Rudian Zhang, Xiao-Feng Li, Renli Zhang, Tao Wang, Cheng-Feng Qin, Penghua Wang, Pei-Yong Shi, Gong Cheng
Zika virus (ZIKV) remained obscure until the recent explosive outbreaks in French Polynesia (2013-2014) and South America (2015-2016). Phylogenetic studies have shown that ZIKV has evolved into African and Asian lineages. The Asian lineage of ZIKV was responsible for the recent epidemics in the Americas. However, the underlying mechanisms through which ZIKV rapidly and explosively spread from Asia to the Americas are unclear. Non-structural protein 1 (NS1) facilitates flavivirus acquisition by mosquitoes from an infected mammalian host and subsequently enhances viral prevalence in mosquitoes...
May 17, 2017: Nature
https://www.readbyqxmd.com/read/28514228/outcomes-for-2-children-after-peripartum-acquisition-of-zika-virus-infection-french-polynesia-2013-2014
#16
Marianne Besnard, Timothée Dub, Patrick Gérardin
Congenital Zika virus infection is associated with severe brain anomalies and impaired function. To determine outcomes, we followed 2 affected children for ≈30 months. For 1 who was symptomatic at birth, transient hepatitis developed. However, neurodevelopment for both children was age appropriate.
August 17, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28514227/real-time-evolution-of-zika-virus-disease-outbreak-roat%C3%A3-n-honduras
#17
Trevor Brooks, Arup Roy-Burman, Cascade Tuholske, Michael P Busch, Sonia Bakkour, Mars Stone, Jeffrey M Linnen, Kui Gao, Jayleen Coleman, Evan M Bloch
A Zika virus disease outbreak occurred in Roatán, Honduras, during September 2015-July 2016. Blood samples and clinical information were obtained from 183 patients given a clinical diagnosis of suspected dengue virus infection. A total of 79 patients were positive for Zika virus, 13 for chikungunya virus, and 6 for dengue virus.
August 17, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28513814/zika-virus-isolation-from-semen
#18
Elena Percivalle, Maurizio Zavattoni, Fausto Fausto, Francesca Rovida
Zika virus (ZIKV) can be sexually transmitted and replicative particles were first detected in a semen sample from a patient during the 2013-14 French Polynesia outbreak. Here we describe the virus isolation from semen of a patient returning to Italy from Brazil.
May 17, 2017: New Microbiologica
https://www.readbyqxmd.com/read/28511272/a-location-specific-spreadsheet-for-estimating-zika-risk-and-timing-for-zika-vector-surveillance-using-us-military-facilities-as-an-example
#19
Desmond H Foley, David B Pecor
Local Zika virus transmission in the United States involving one or both of the known vector species, Aedes aegypti and Ae. albopictus, is of major concern. To assist efforts to anticipate the risks of transmission, we developed an Excel spreadsheet tool that uses vector and virus temperature thresholds, remotely sensed maximum temperature, and habitat suitability models to answer the questions: "is Zika transmission likely here?" and "when should we conduct vector surveillance?" An example spreadsheet, updated regularly and freely available, uses near real-time and forecast temperature data to generate guidance, based on a novel four level Zika risk code, for 733 US military facilities in the 50 states, the District of Columbia, and the territories of Guam and Puerto Rico...
January 2017: U.S. Army Medical Department Journal
https://www.readbyqxmd.com/read/28511271/georgia-s-collaborative-approach-to-expanding-mosquito-surveillance-in-response-to-zika-virus-a-case-study
#20
R Christopher Rustin, Deonte Martin, Varadan Sevilimedu, Sarbesh Pandeya, Haresh Rochani, Rosmarie Kelly
Zika virus (ZIKV) was declared an international public health emergency by the World Health Organization on February 1, 2016. Due to the known and estimated range of the ZIKV mosquito vectors, southern and central US states faced increased risk of ZIKV transmission. With the state of Georgia hosting the world's busiest international airport, a climate that supports the ZIKV vectors, and limited surveillance (13 counties) and response capacity, the Department of Public Health (DPH) was challenged to respond and prevent ZIKV transmission...
January 2017: U.S. Army Medical Department Journal
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