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Guillain–Barré zika

Carey L Medin, Alan L Rothman
Once obscure, Zika virus (ZIKV) has attracted significant medical and scientific attention in the past year because of large outbreaks associated with the recent introduction of this virus into the Western hemisphere. In particular, the occurrence of severe congenital infections and cases of Guillain-Barré syndrome has placed this virus squarely in the eyes of clinical and anatomic pathologists. This review article provides a basic introduction to ZIKV, its genetics, its structural characteristics, and its biology...
October 20, 2016: Archives of Pathology & Laboratory Medicine
D B Kadam, Sonali Salvi, Ajay Chandanwale
The World Health Organization (WHO) has coined the term expanded dengue to describe cases which do not fall into either dengue shock syndrome or dengue hemorrhagic fever. This has incorporated several atypical findings of dengue. Dengue virus has not been enlisted as a common etiological agent in several conditions like encephalitis, Guillain Barre syndrome. Moreover it is a great mimic of co-existing epidemics like Malaria, Chikungunya and Zika virus disease, which are also mosquito-borne diseases. The atypical manifestations noted in dengue can be mutisystemic and multifacetal...
July 2016: Journal of the Association of Physicians of India
Richmond Darko, Jessica L Mashburn
Zika virus (ZIKV) infection and its associated complications have become a significant public health concern. Zika virus is a Flavivirus, and is transmitted to humans by Aedes species mosquitoes. In May 2015, the World Health Organization reported the first locally acquired transmission of ZIKV in Brazil, the first case in the Western Hemisphere. There have also been reports of increased incidence of microcephaly and other neurologic complications associated with ZIKV infection, as well as a 20-fold increase in the incidence of Guillain-Barre Syndrome during ZIKV outbreaks...
October 2016: Pediatric Emergency Care
Nathan D Grubaugh, Kristian G Andersen
The epidemics of Ebola virus in West Africa and Zika virus in America highlight how viruses can explosively emerge into new territories. These epidemics also exposed how unprepared we are to handle infectious disease emergencies. This is also true when we consider hypothesized new clinical features of infection, such as the associations between Zika virus infection and severe neurological disease, including microcephaly and Guillain-Barré syndrome. On the surface, these pathologies appear to be new features of Zika virus infection, however, causal relationships have not yet been established...
2016: F1000Research
Sean Ekins, John Liebler, Bruno J Neves, Warren G Lewis, Megan Coffee, Rachelle Bienstock, Christopher Southan, Carolina H Andrade
The Zika virus (ZIKV) is a flavivirus of the family Flaviviridae, which is similar to dengue virus, yellow fever and West Nile virus. Recent outbreaks in South America, Latin America, the Caribbean and in particular Brazil have led to concern for the spread of the disease and potential to cause Guillain-Barré syndrome and microcephaly. Although ZIKV has been known of for over 60 years there is very little in the way of knowledge of the virus with few publications and no crystal structures. No antivirals have been tested against it either in vitro or in vivo...
2016: F1000Research
A Arturo Leis, Dobrivoje S Stokic
Worldwide concern over Zika virus causing Guillain-Barre syndrome (GBS) soared after recent reports that Zika-related weakness was due to GBS. A global strategic response plan was initiated with recommendations for at-risk countries to prepare for GBS. This plan has major economic implications, as nations with limited resources struggle to implement costly immunotherapy. Since confirmation of causality is prerequisite to providing specific management recommendations, it is prudent to review data endorsing a GBS diagnosis...
2016: Frontiers in Neurology
Luis D Pacheco, Antonio F Saad, Gary D V Hankins, Giuseppe Chiosi, George Saade
Guillain-Barré syndrome has been reported in pregnancy and is a potentially lethal condition. It affects the nervous system with acute onset of symmetric ascending weakness and may result in frank respiratory failure and autonomic dysfunction. Most patients recall symptoms of a respiratory or gastrointestinal illness in the weeks preceding the onset of weakness. Recent evidence suggests a potential role of the Zika virus as a trigger for the syndrome. The diagnosis of Guillain-Barré is clinical. Supportive measures include venous thromboembolism prophylaxis, aggressive physical therapy, pressure ulcer prevention, enteral nutrition, and respiratory support...
October 6, 2016: Obstetrics and Gynecology
John H-O Pettersson, Vegard Eldholm, Stephen J Seligman, Åke Lundkvist, Andrew K Falconar, Michael W Gaunt, Didier Musso, Antoine Nougairède, Remi Charrel, Ernest A Gould, Xavier de Lamballerie
The unexpected emergence of Zika virus (ZIKV) in the Pacific Islands and Latin America and its association with congenital Zika virus syndrome (CZVS) (which includes microcephaly) and Guillain-Barré syndrome (GBS) have stimulated wide-ranging research. High densities of susceptible Aedes spp., immunologically naive human populations, global population growth with increased urbanization, and escalation of global transportation of humans and commercial goods carrying vectors and ZIKV undoubtedly enhanced the emergence of ZIKV...
October 11, 2016: MBio
David S Younger
Zika virus is an arbovirus belonging to the Flaviviridae family known to cause mild clinical symptoms similar to those of dengue and chikungunya. Zika is transmitted by different species of Aedes mosquitoes. Nonhuman primates and possibly rodents play a role as reservoirs. Direct interhuman transmission has also been reported. Human cases have been reported in Africa and Asia, Easter Island, the insular Pacific region, and Brazil. Its clinical profile is that of a dengue-like febrile illness, but recently associated Guillain-Barre syndrome and microcephaly have appeared...
November 2016: Neurologic Clinics
Wojciech Kwaśniewski, Norbert Stachowicz, Aleksandra Stupak, Anna Kwaśniewska, Anna Goździcka-Jozefiak
Zika virus (HIV) was first identified in 1947 and upto 2007 the infections in humans have been reported sporadically. Currently, the World Health Organization warns that the rapid spread of the virus Zika in both Americas and an increase in the number of children born with microcephaly in these regions begins to be a serious epidemiological problem. Known ways of spreading this RNA virus of the Flaviviridae family is: with blood, sexual, vertical and even breast feeding. Currently used diagnostic tests are not entirely perfect, as they can detect infections by other viruses in this group but they are available in Poland...
2016: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Eun Kim, Geza Erdos, Shaohua Huang, Thomas Kenniston, Louis D Falo, Andrea Gambotto
Since it emerged in Brazil in May 2015, the mosquito-borne Zika virus (ZIKV) has raised global concern due to its association with a significant rise in the number of infants born with microcephaly and neurological disorders such as Guillain-Barré syndrome. We developed prototype subunit and adenoviral-based Zika vaccines encoding the extracellular portion of the ZIKV envelope gene (E) fused to the T4 fibritin foldon trimerization domain (Efl). The subunit vaccine was delivered intradermally through carboxymethyl cellulose microneedle array (MNA)...
October 3, 2016: EBioMedicine
Rupsa Basu, Ebenezer Tumban
Zika virus (ZIKV) is a mosquito-borne flavivirus that is transmitted through the bite of Aedes spp mosquitoes and less predominantly, through sexual intercourse. Prior to 2007, ZIKV was associated with only sporadic human infections with minimal or no clinical manifestations. Recently the virus has caused disease outbreaks from the Pacific Islands, the Americas, and off the coast of West Africa with approximately 1.62 million people suspected to be infected in more than 60 countries around the globe. The recent ZIKV outbreaks have been associated with guillain-barré syndrome, congenital syndrome (microcephaly, congenital central nervous system anomalies), miscarriages, and even death...
October 6, 2016: Virology Journal
Mohammad Zare Mehrjardi, Elham Keshavarz, Andrea Poretti, Adriano N Hazin
Zika virus (ZIKV) is an arbovirus from the Flaviviridae family. It is usually transmitted by mosquito bite. There have been no reports of severe symptoms caused by ZIKV infection up until the last few years. In October 2013 an outbreak was reported in French Polynesia with severe neurological complications in some affected cases. In November 2015, the Ministry of Health of Brazil attributed the increased number of neonatal microcephaly cases in northeastern Brazil to congenital ZIKV infection. The rapid spread of the virus convinced the World Health Organization to announce ZIKV infection as a "Public Health Emergency of International Concern" in February 2016...
October 6, 2016: Japanese Journal of Radiology
Alyson B Goodman, Eric J Dziuban, Krista Powell, Rebecca H Bitsko, Gayle Langley, Nicole Lindsey, Jessica L Franks, Kate Russell, Sharoda Dasgupta, Wanda D Barfield, Erika Odom, Emily Kahn, Stacey Martin, Marc Fischer, J Erin Staples
Zika virus is an emerging mosquito-borne flavivirus that typically causes an asymptomatic infection or mild illness, although infection during pregnancy is a cause of microcephaly and other serious brain abnormalities. Guillain-Barré syndrome and other neurologic complications can occur in adults after Zika virus infection. However, there are few published reports describing postnatally acquired Zika virus disease among children. During January 2015-July 2016, a total of 158 cases of confirmed or probable postnatally acquired Zika virus disease among children aged <18 years were reported to CDC from U...
October 7, 2016: MMWR. Morbidity and Mortality Weekly Report
Nirmal Kandel, Jaya Lamichhane, Rudolf H Tangermann, Guenael Rm Rodier
No abstract text is available yet for this article.
September 1, 2016: Bulletin of the World Health Organization
Mary Kay Kindhauser, Tomas Allen, Veronika Frank, Ravi Shankar Santhana, Christopher Dye
OBJECTIVE: To describe the temporal and geographical distribution of Zika virus infection and associated neurological disorders, from 1947 to 1 February 2016, when Zika became a Public Health Emergency of International Concern (PHEIC). METHODS: We did a literature search using the terms "Zika" and "ZIKV" in PubMed, cross-checked the findings for completeness against other published reviews and added formal notifications to WHO submitted under the International Health Regulations...
September 1, 2016: Bulletin of the World Health Organization
Beatriz Parra, Jairo Lizarazo, Jorge A Jiménez-Arango, Andrés F Zea-Vera, Guillermo González-Manrique, José Vargas, Jorge A Angarita, Gonzalo Zuñiga, Reydmar Lopez-Gonzalez, Cindy L Beltran, Karen H Rizcala, Maria T Morales, Oscar Pacheco, Martha L Ospina, Anupama Kumar, David R Cornblath, Laura S Muñoz, Lyda Osorio, Paula Barreras, Carlos A Pardo
Background Zika virus (ZIKV) infection has been linked to the Guillain-Barré syndrome. From November 2015 through March 2016, clusters of cases of the Guillain-Barré syndrome were observed during the outbreak of ZIKV infection in Colombia. We characterized the clinical features of cases of Guillain-Barré syndrome in the context of this ZIKV infection outbreak and investigated their relationship with ZIKV infection. Methods A total of 68 patients with the Guillain-Barré syndrome at six Colombian hospitals were evaluated clinically, and virologic studies were completed for 42 of the patients...
October 5, 2016: New England Journal of Medicine
Jennifer A Frontera, Ivan R F da Silva
No abstract text is available yet for this article.
October 5, 2016: New England Journal of Medicine
Jana M Ritter, Roosecelis B Martines, Sherif R Zaki
Context .- As the number of Zika virus (ZIKV) infections continues to grow, so, too, does the spectrum of recognized clinical disease, in both adult and congenital infections. Defining the tissue pathology associated with the various disease manifestations provides insight into pathogenesis and diagnosis, and potentially future prevention and treatment, of ZIKV infections. Objective .- To summarize the syndromes and pathology associated with ZIKV infection, the implications of pathologic findings in pathogenesis of ZIKV disease, and the use of pathology specimens for diagnosis of ZIKV infection...
October 5, 2016: Archives of Pathology & Laboratory Medicine
Maaran Michael Rajah, Ryan D Pardy, Stephanie A Condotta, Martin J Richer, Selena Michael Sagan
Zika virus (ZIKV) is an emerging arthropod-borne pathogen that has recently gained notoriety due to its rapid and ongoing geographic expansion and its novel association with neurological complications. Reports of ZIKV associated Guillain-Barré syndrome as well as fetal microcephaly place emphasis on the need to develop preventative measures and therapeutics to combat ZIKV infection. Thus, it is imperative that models to study ZIKV replication, pathogenesis, and the immune response are developed in conjunction with integrated vector control strategies to mount an efficient response to the pandemic...
October 5, 2016: ACS Infectious Diseases
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