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https://www.readbyqxmd.com/read/29140769/addressing-maternal-health-during-cdc-s-ebola-response-in-the-united-states
#1
Sascha Ellington, Mirna Perez, Diane Morof, Marianne E Zotti, William Callaghan, Dana Meaney-Delman, Maleeka Glover, Quynh-Chau Ha, Denise J Jamieson
Previous outbreaks suggest that pregnant women with Ebola virus disease (EVD) are at increased risk for severe disease and death. Healthcare workers who treat pregnant women with EVD are at increased risk of body fluid exposure. Despite the absence of pregnant women with EVD in the United States, CDC activated the Maternal Health Team (MHT), a functional unit dedicated to emergency preparedness and response issues, on October 18, 2014. We describe major activities of the MHT. A high-priority MHT activity was to publish guiding principles early in the response...
November 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/29140242/guillain-barr%C3%A3-syndrome-acute-disseminated-encephalomyelitis-and-encephalitis-associated-with-zika-virus-infection-in-brazil-detection-of-viral-rna-and-isolation-of-virus-during-late-infection
#2
Maria Lucia Brito Ferreira, Carlos Alexandre Antunes de Brito, Álvaro José Porto Moreira, Maria Íris de Morais Machado, Adélia Henriques-Souza, Marli Tenório Cordeiro, Ernesto Torres de Azevedo Marques, Lindomar José Pena
Zika virus (ZIKV) emerged in Brazil in 2015, which was followed by an increase of Guillain-Barre Syndrome (GBS) cases. We report the epidemiological, clinical, and laboratory findings of the first six neurological cases associated with ZIKV in Brazil seen in a reference neurology hospital in Pernambuco, Brazil. In all cases, ZIKV was detected in serum and/or cerebrospinal fluid (CSF) samples. In this case series, four cases were defined as GBS, one as acute disseminated encephalomyelitis (ADEM) and the other as encephalitis...
November 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29136650/emerging-and-reemerging-arboviruses-a-new-threat-in-eastern-peru
#3
Carlos Alva-Urcia, Miguel Angel Aguilar-Luis, Carlos Palomares-Reyes, Wilmer Silva-Caso, Luis Suarez-Ognio, Pablo Weilg, Carlos Manrique, Fernando Vasquez-Achaya, Luis J Del Valle, Juana Del Valle-Mendoza
BACKGROUND: Arboviral diseases are one of the most common causes of acute febrile illness (AFI) and a significant health problem in South America. In Peru, laboratory etiologic identification of these infections occurs in less than 50% of cases, leading to underdiagnoses of important emerging arboviruses. AIM: To assess the prevalence of the Dengue (DENV), Oropouche (OROV), Chikungunya (CHIKV), Mayaro (MAYV) and Zika (ZIKV) viruses in patients with acute febrile illness from Puerto Maldonado (Peru)...
2017: PloS One
https://www.readbyqxmd.com/read/29133154/adverse-birth-outcomes-associated-with-zika-virus-exposure-during-pregnancy-in-s%C3%A3-o-jos%C3%A3-do-rio-preto-brazil
#4
Mauricio Lacerda Nogueira, Nivison Ruy Rocha Nery Júnior, Cássia Fernanda Estofolete, Ana Carolina Bernardes Terzian, Georgia de Freitas Guimarães, Nathalia Zini, Rafael Alves da Silva, Gislaine Celestino Dutra Silva, Ligia Cosentino Junqueira Franco, Paula Rahal, Cintia Bittar, Bruno Carneiro, Pedro Fernando Vasconcelos da Costa, Daniele Freitas Henriques, Deusenia Machado Ulisses Barbosa, Patrícia Lopes Rombola, Luciana de Grande, Andréia Francesli Negri Reis, Sacha Ariane Palomares, Marcia Wakai Catelan, Lilian Elisa Arão Antonio Cruz, Silvia Helena Necchi, Rita de Cassia Vilella Mendonça, Izalco Nuremberg Penha Dos Santos, Suzimeiri Brigatti Alavarse Caron, Federico Costa, Fernando A Bozza, Antonio Soares de Souza, Cinara Cássia Brandão de Mattos, Luiz Carlos de Mattos, Nikos Vasilakis, Antonio Helio Oliani, Denise Cristina Mós Vaz Oliani, Albert Icksang Ko
OBJECTIVE: We aimed to report the first 54 cases of pregnant women infected by Zika vírus (ZIKV) and their virological and clinical outcomes, as well as the newborns' outcomes in 2016, after the emergence of ZIKV in dengue endemic areas of São Paulo, Brazil. METHODS: This is a descriptive study performed from February to October 2016 on 54 qPCR ZIKV-positive pregnant women identified by the Public Health Authority of São Jose do Rio Preto, São Paulo, Brazil...
November 10, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29131357/zika-virus-what-we-need-to-know
#5
REVIEW
Farakh Javed, Khanzadi N Manzoor, Mubashar Ali, Irshad U Haq, Abid A Khan, Assad Zaib, Sobia Manzoor
Zika virus is one of the emerging viruses and is of significant threat to human health globally. It is a mosquito borne flavivirus similar to dengue, yellow fever, and West Nile viruses. It was reported about 5 decades ago and then it spreads to different parts of the world. Large outbreaks were reported on Yap Islands in 2007. Now it has gained wide attention globally by health communities. Major vector for virus transmission is Aedes aegypti mosquito. ZIKV infection is mostly asymptomatic but it is also responsible to cause mild influenza like illness to serious manifestations...
November 13, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/29127595/neurological-manifestations-of-congenital-zika-virus-infection
#6
Tania Saad, Alessandra Augusta PennaeCosta, Fernanda Veiga de Góes, Marcela de Freitas, Julia Valeriano de Almeida, Lúcio José de Santa Ignêz, Ana Paula Amancio, Renata Joviano Alvim, Ludmilla Athayde Antunes Kramberger
INTRODUCTION: In 2015, it was observed a rise in the number of microcephalic newborns associated with a history of non-specific febrile sickness and rash during pregnancy in Brazil. Since then, microcephaly has emerged as a public health concern. A few months after, the causal relation between congenital microcephaly and the Zika virus was discovered. Zika virus, an arbovirus, is a new TORCH member that leads to congenital infection through vertical transmission and harms the developing brain, disrupting synaptogenesis, and causing other central nervous system lesions...
November 10, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29126899/merimepodib-an-impdh-inhibitor-suppresses-replication-of-zika-virus-and-other-emerging-viral-pathogens
#7
Xiao Tong, Jeanon Smith, Natalya Bukreyeva, Takaaki Koma, Tyler J Manning, Raj Kalkeri, Ann D Kwong, Slobodan Paessler
Zika virus (ZIKV), a member of the Flaviviridae family, has recently been linked to abnormal pregnancies, fetal death, microcephaly, and Guillain-Barré syndrome in humans. Merimepodib (MMPD, VX-497), a potent inhibitor of inosine-5'-monophosphate dehydrogenase (IMPDH), has shown antiviral activity against HCV and a variety of DNA and RNA viruses in vitro. In this report, we expand the antiviral spectrum of MMPD, and demonstrate that MMPD inhibits ZIKV RNA replication with an EC50 of 0.6 μM. In a virus production assay, MMPD reduces the virus titer of ZIKV as well as several other important emerging viral pathogens such as Ebola, Lassa, Chikungunya, and Junin viruses...
November 7, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29125545/infection-of-a-french-population-of-aedes-albopictus-and-of-aedes-aegypti-paea-strain-with-zika-virus-reveals-low-transmission-rates-to-these-vectors-saliva
#8
Faustine Ryckebusch, Michèle Berthet, Dorothée Missé, Valérie Choumet
Disease caused by the Zika virus (ZIKV) is a public health emergency of international concern. Recent epidemics have emerged in different regions of the world and attest to the ability of the virus to spread wherever its vector, Aedes species mosquitoes, can be found. We have compared the transmission of ZIKV by Ae. aegypti (PAEA strain originating from Tahiti) and by a French population of Ae. albopictus to better assess their competence and the potential risk of the emergence of ZIKV in Europe. We assessed the transmission of ZIKV by Ae...
November 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29122384/strengthening-global-vaccine-access-for-adolescents-and-adults
#9
REVIEW
Angeline Nanni, Stefanie Meredith, Stephanie Gati, Karin Holm, Tom Harmon, Ann Ginsberg
Global immunization efforts to date have heavily focused on infants and children, with noted success on public health. Healthy adolescents and adults contribute to the economic growth and development of countries but efforts to ensure vaccine coverage for these groups receive inadequate global attention and resources. Emerging epidemics for a number of infectious diseases including Ebola, Zika, dengue, malaria and the continuing epidemics of tuberculosis and several sexually transmitted infections, including HIV, HPV and Hepatitis B, have high incidence and prevalence in adolescents and adults...
November 6, 2017: Vaccine
https://www.readbyqxmd.com/read/29116222/specific-detection-of-dengue-and-zika-virus-antibodies-using-envelope-proteins-with-mutations-in-the-conserved-fusion-loop
#10
Alexandra Rockstroh, Beyene Moges, Luisa Barzon, Alessandro Sinigaglia, Giorgio Palù, Widuranga Kumbukgolla, Jonas Schmidt-Chanasit, Manoel Sarno, Carlos Brites, Andres Moreira-Soto, Jan Felix Drexler, Orlando C Ferreira, Sebastian Ulbert
Detection of antibodies is widely used for the diagnosis of infections with arthropod-borne flaviviruses including dengue (DENV) and Zika virus (ZIKV). Due to the emergence of ZIKV in areas endemic for DENV, massive co-circulation is observed and methods to specifically diagnose these infections and differentiate them from each other are mandatory. However, serological assays for flaviviruses in general, and for DENV and ZIKV in particular, are compromised by the high degree of similarities in their proteins which can lead to cross-reacting antibodies and false-positive test results...
November 8, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29113824/comparative-analysis-of-different-cell-systems-for-zika-virus-zikv-propagation-and-evaluation-of-anti-zikv-compounds-in-vitro
#11
Ilaria Vicenti, Adele Boccuto, Alessia Giannini, Filippo Dragoni, Francesco Saladini, Maurizio Zazzi
A strong correlation between Zika virus (ZIKV) infection and severe neurological disease in newborns and occasionally adults has emerged in the Brazilian outbreak. Efficient human cell-based assays are required to test candidate inhibitors of ZIKV replication. The aim of this work was to investigate ZIKV propagation and quantification in different cell lines. The human (U87, A549, Huh7), mosquito (C6/36) and monkey (VERO E6) cell lines tested were all permissive to ZIKV infection. When assessed by plaque forming units (PFU) in three different target cell lines, the maximal production of ZIKV was achieved in Huh7 at day 3 post-infection (6...
November 4, 2017: Virus Research
https://www.readbyqxmd.com/read/29113627/the-proportion-of-asymptomatic-infections-and-spectrum-of-disease-among-pregnant-women-infected-by-zika-virus-systematic-monitoring-in-french-guiana-2016
#12
Claude Flamand, Camille Fritzell, Séverine Matheus, Maryvonne Dueymes, Gabriel Carles, Anne Favre, Antoine Enfissi, Antoine Adde, Magalie Demar, Mirdad Kazanji, Simon Cauchemez, Dominique Rousset
Zika virus (ZIKV) infection has been associated with complications during pregnancy. Although the presence of symptoms might be a risk factor for complication, the proportion of ZIKV-infected pregnant women with symptoms remains unknown. Following the emergence of ZIKV in French Guiana, all pregnancies in the territory were monitored by RT-PCR and/or detection of ZIKV antibodies. Follow-up data collected during pregnancy monitoring interviews were analysed from 1 February to 1 June 2016. We enrolled 3,050 pregnant women aged 14-48 years and 573 (19%) had laboratory-confirmed ZIKV infection...
November 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/29110196/challenges-for-molecular-and-serological-zikv-infection-confirmation
#13
Zilton Farias Meira de Vasconcelos, Renata Campos Azevedo, Nathália Thompson, Leonardo Gomes, Letícia Guida, Maria Elisabeth Lopes Moreira
BACKGROUND: Zika Virus (ZIKV), member of Flaviviridae family and Flavivirus genus, has recently emerged as international public health emergency after its association with neonatal microcephaly cases. Clinical diagnosis hindrance involves symptom similarities produced by other arbovirus infections, therefore laboratory confirmation is of paramount importance. DISCUSSION: The most reliable test available is based on ZIKV RNA detection from body fluid samples. However, short viremia window periods and asymptomatic infections diminish the success rate for RT-PCR positivity...
November 6, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29093650/understanding-the-pathogenesis-of-zika-virus-infection-using-animal-models
#14
REVIEW
Keeton K Krause, Francine Azouz, Ok Sarah Shin, Mukesh Kumar
Zika virus (ZIKV) is a member of Flaviviridae family that has emerged as a pathogen of significant public health importance. The rapid expansion of ZIKV in the South and Central America has recently gained medical attention emphasizing the capacity of ZIKV to spread to non-endemic regions. ZIKV infection during pregnancy has been demonstrated to cause microcephaly and other fetal developmental abnormalities. An increased incidence of Guillain-Barre syndrome, an immune mediated neuropathy of the peripheral nervous system, has also been reported in ZIKV-infected patients in French Polynesia and Brazil...
October 2017: Immune Network
https://www.readbyqxmd.com/read/29091713/after-the-epidemic-zika-virus-projections-for-latin-america-and-the-caribbean
#15
Felipe J Colón-González, Carlos A Peres, Christine Steiner São Bernardo, Paul R Hunter, Iain R Lake
BACKGROUND: Zika is one of the most challenging emergent vector-borne diseases, yet its future public health impact remains unclear. Zika was of little public health concern until recent reports of its association with congenital syndromes. By 3 August 2017 ∼217,000 Zika cases and ∼3,400 cases of associated congenital syndrome were reported in Latin America and the Caribbean. Some modelling exercises suggest that Zika virus infection could become endemic in agreement with recent declarations from the The World Health Organisation...
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29089591/could-zika-virus-emerge-in-mainland-china-virus-isolation-from-nature-in-culex-quinquefasciatus-2016
#16
Song Song, Yuanyuan Li, Shihong Fu, Hong Liu, Xiaolong Li, Xiaoyan Gao, Ziqian Xu, Guoping Liu, Dingming Wang, Zhenzao Tian, Jingzhu Zhou, Ying He, Wenwen Lei, Huanyu Wang, Bin Wang, Xiaoqing Lu, Guodong Liang
No abstract text is available yet for this article.
November 1, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29082009/assessing-the-population-at-risk-of-zika-virus-in-asia-is-the-emergency-really-over
#17
REVIEW
Amir S Siraj, T Alex Perkins
On November 18, 2016, the WHO ended its designation of the Zika virus (ZIKV) epidemic as a Public Health Emergency of International Concern (PHEIC). At the same time, ZIKV transmission continues in Asia, with the number of Asian countries reporting Zika cases increasing over the last 2 years. Applying a method that combines epidemiological theory with data on epidemic size and drivers of transmission, we characterised the population at risk of ZIKV infection from Aedes aegypti mosquitoes in 15 countries in Asia...
2017: BMJ Global Health
https://www.readbyqxmd.com/read/29080624/introduction-of-zika-virus-in-bangladesh-an-impending-public-health-threat
#18
A K M Muraduzzaman, Sharmin Sultana, Tahmina Shirin, Selina Khatun, MdTarikul Islam, Mahmudur Rahman
OBJECTIVE: To explore the presence of Zika virus (ZIKV) in Bangladesh and to understand the associated risk factors. METHODS: A retrospective sero-surveillance was performed on stored serum samples of dengue surveillance conducted from 2013 to 2016. Real time RT-PCR was performed on randomly selected acute serum samples to detect the Zika virus nucleic acid. RESULTS: Of 200 samples screened, one was found positive for ZIKV by real time RT-PCR and further confirmed by genome sequencing...
September 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/29067015/serum-metabolic-alterations-upon-zika-infection
#19
Carlos Fernando O R Melo, Jeany Delafiori, Diogo N de Oliveira, Tatiane M Guerreiro, Cibele Z Esteves, Estela de O Lima, Victoria Pando-Robles, Rodrigo R Catharino
Zika virus (ZIKV) infection has recently emerged as a major concern worldwide due to its strong association with nervous system malformation (microcephaly) of fetuses in pregnant women infected by the virus. Signs and symptoms of ZIKV infection are often mistaken with other common viral infections. Since transmission may occur through biological fluids exchange and coitus, in addition to mosquito bite, this condition is an important infectious disease. Thus, understanding the mechanism of viral infection has become an important research focus, as well as providing potential targets for assertive clinical diagnosis and quality screening for hemoderivatives...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29063515/zika-virus-induces-astrocyte-differentiation-in-neural-stem-cells
#20
Olivia V Lossia, Michael J Conway, Maya O Tree, Robert J Williams, Stacy C Goldthorpe, Bhairavi Srinageshwar, Gary L Dunbar, Julien Rossignol
Zika virus (ZIKV) is a rapidly emerging flavivirus that has been associated with a number of congenital neurological manifestations. Here, we show that ZIKV replicated efficiently in mouse neural stem cells (mNSCs). ZIKV infection caused a cytopathic effect without affecting cell viability, yet led to a significant decrease in the number of proteins secreted into mNSC supernatants. A gene expression array of neural stem cell progenitor and differentiation markers suggested that infection reduced the number of neuronal and oligodendrocyte progenitors while increasing the number of astrocyte progenitors...
October 23, 2017: Journal of Neurovirology
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