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ZIKA VIRUS AND PREGNANCY

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https://www.readbyqxmd.com/read/29773774/us-and-cuban-scientists-forge-collaboration-on-arbovirus-research
#1
Jorge Pérez-Ávila, Maria G Guzmán-Tirado, Jorge Fraga-Nodarse, Gray Handley, James Meegan, Jose L Pelegrino-Martínez de la Cotera, Anthony S Fauci
After December 17, 2014, when the US and Cuban governments announced their intent to restore relations, the two countries participated in various exchange activities in an effort to encourage cooperation in public health, health research and biomedical sciences. The conference entitled Exploring Opportunities for Arbovirus Research Collaboration, hosted at Havana's Hotel Nacional, was part of these efforts and was the first major US-Cuban scientific conference in over 50 years. Its purpose was to share information about current arbovirus research and recent findings, and to explore opportunities for future joint research...
April 2018: MEDICC Review
https://www.readbyqxmd.com/read/29772278/zika-virus-incidence-preventive-and-reproductive-behaviors-correlates-from-new-survey-data
#2
Climent Quintana-Domeque, José Raimundo Carvalho, Victor Hugo de Oliveira
During the outbreak of the Zika virus, Brazilian health authorities recommended that pregnant women take meticulous precaution to avoid mosquito bites and that women in general use contraceptive methods to postpone/delay pregnancies. In this article, we present new estimates on the Zika virus incidence, its correlates and preventive behaviors in the Northeast of Brazil, where the outbreak initiated, using survey data collected between March 30th and June 3rd of 2016. The target population were women aged 15-49 in the capital cities of the nine states of the Northeast region of Brazil...
May 1, 2018: Economics and Human Biology
https://www.readbyqxmd.com/read/29770094/travel-related-zika-virus-cases-in-canada-october-2015-june-2017
#3
J Tataryn, L Vrbova, M Drebot, H Wood, E Payne, S Connors, J Geduld, M German, K Khan, P A Buck
Background: Zika virus (ZIKV) is an emerging mosquito-borne disease that can cause severe birth defects if contracted congenitally. Since late 2015, there has been a large increase in the number of travel-related cases of Zika virus infection in Canada. Objective: The objective of this study was to describe the epidemiology of travel-related Zika cases in Canada from October 2015 to June 2017 and review them in the context of the international outbreak in the Americas...
January 4, 2018: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29768589/women-s-lives-in-times-of-zika-mosquito-controlled-lives
#4
Ana Rosa Linde, Carlos Eduardo Siqueira
Zika virus infection during pregnancy is a cause of congenital brain abnormalities. Its consequences to pregnancies has made governments, national and international agencies issue advices and recommendations to women. There is a clear need to investigate how the Zika outbreak affects the decisions that women take concerning their lives and the life of their families, as well as how women are psychologically and emotionally dealing with the outbreak. We conducted a qualitative study to address the impact of the Zika epidemic on the family life of women living in Brazil, Puerto Rico, and the US, who were affected by it to shed light on the social repercussions of Zika...
May 10, 2018: Cadernos de Saúde Pública
https://www.readbyqxmd.com/read/29743741/computed-tomography-and-magnetic-resonance-imaging-findings-in-infants-with-microcephaly-potentially-related-to-congenital-zika-virus-infection
#5
Aníbal Araujo Alves Peixoto Filho, Simone Baltar de Freitas, Márcio Morikoshi Ciosaki, Lourenço Nogueira E Oliveira, Onildo Tavares Dos Santos Júnior
The recent association between the increase in the number of neonates with microcephaly in northeastern Brazil and the outbreak of infection with the Zika virus, which has been occurring in the Americas, has been declared a public health emergency of international concern. The evidence that implicates the virus as the cause of this public health emergency has been demonstrated ever more consistently. This pictorial essay illustrates the imaging characteristics seen on computed tomography and magnetic resonance imaging scans of infants admitted to a rehabilitation hospital with a diagnosis of microcephaly and a maternal history of rash during pregnancy...
March 2018: Radiologia Brasileira
https://www.readbyqxmd.com/read/29742003/epidemiological-characteristics-and-laboratory-findings-of-zika-virus-cases-in-new-york-city-january-1-2016-june-30-2017
#6
Emily McGibbon, Morgan Moy, Neil M Vora, Alan Dupuis, Annie Fine, Karen Kulas, Ronald Limberger, Dakai Liu, Jennifer Rakeman, Kirsten St George, Sally Slavinski
BACKGROUND: An outbreak of Zika virus (ZIKV) began in May 2015 in Brazil and rapidly spread throughout the Americas; New York City (NYC) has a diverse population with ∼1.8 million residents who were born in ZIKV-affected areas. Before July 24, 2017, the Centers for Disease Control and Prevention (CDC) ZIKV testing recommendations included nucleic acid amplification-based tests for serum and urine specimens collected ≤14 days of illness onset or last potential exposure, and ZIKV immunoglobulin M (IgM) assay when ZIKV RNA is not detected or for specimens collected within 2-12 weeks of illness onset or last potential exposure, followed by a plaque reduction neutralization test (PRNT)...
May 9, 2018: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/29738826/co-infection-with-zika-and-chikungunya-viruses-associated-with-fetal-death
#7
Arnaldo Prata-Barbosa, Thaís Lira Cleto-Yamane, Jaqueline Rodrigues Robaina, Andrea Bittencourt Guastavino, Maria Clara de Magalhães-Barbosa, Rodrigo de Moraes Brindeiro, Roberto Andrade Medronho, Antonio José Ledo Alves da Cunha
We describe a case of fetal death associated with a recent infection by Chikungunya virus (CHIKV) in a Brazilian pregnant woman (positive RT-PCR in blood and placenta). Zika virus (ZIKV) infection during pregnancy was also identified, based on a positive RT-PCR in a fetal kidney specimen. The maternal infection caused by the ZIKV was asymptomatic and the CHIKV infection had a classical clinical presentation. The fetus had no apparent anomalies, but her weight was between the 3rd and 10th percentile for the gestational age...
May 5, 2018: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29738748/femur-sparing-pattern-of-abnormal-fetal-growth-in-pregnant-women-from-new-york-city-after-maternal-zika-virus-infection
#8
Christie L Walker, Audrey A Merriam, Eric O Ohuma, Manjiri K Dighe, Michael Gale, Lakshmi Rajagopal, Aris T Papageorghiou, Cynthia Gyamfi-Bannerman, Kristina M Adams Waldorf
BACKGROUND: Zika virus (ZIKV) is a mosquito-transmitted flavivirus, which can induce fetal brain injury and growth restriction following maternal infection during pregnancy. Prenatal diagnosis of ZIKV-associated fetal injury in the absence of microcephaly is challenging due to an incomplete understanding of how maternal ZIKV infection affects fetal growth and the use of different sonographic reference standards around the world. We hypothesized that skeletal growth is unaffected by ZIKV infection and that the femur length can represent an internal standard to detect growth deceleration of the fetal head and/or abdomen by ultrasound...
May 5, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29717225/experimental-zika-virus-infection-in-the-pregnant-common-marmoset-induces-spontaneous-fetal-loss-and-neurodevelopmental-abnormalities
#9
Maxim Seferovic, Claudia Sánchez-San Martín, Suzette D Tardif, Julienne Rutherford, Eumenia C C Castro, Tony Li, Vida L Hodara, Laura M Parodi, Luis Giavedoni, Donna Layne-Colon, Manasi Tamhankar, Shigeo Yagi, Calla Martyn, Kevin Reyes, Melissa A Suter, Kjersti M Aagaard, Charles Y Chiu, Jean L Patterson
During its most recent outbreak across the Americas, Zika virus (ZIKV) was surprisingly shown to cause fetal loss and congenital malformations in acutely and chronically infected pregnant women. However, understanding the underlying pathogenesis of ZIKV congenital disease has been hampered by a lack of relevant in vivo experimental models. Here we present a candidate New World monkey model of ZIKV infection in pregnant marmosets that faithfully recapitulates human disease. ZIKV inoculation at the human-equivalent of early gestation caused an asymptomatic seroconversion, induction of type I/II interferon-associated genes and proinflammatory cytokines, and persistent viremia and viruria...
May 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29683305/maternity-care-update-preconception-care
#10
Andrew Smith, Wendy B Barr, Erin Bassett-Novoa, Nicholas LeFevre
Family physicians are in a unique position to ensure that women receive preconception care. The Centers for Disease Control and Prevention, the American College of Obstetricians and Gynecologists, and the American Academy of Family Physicians recommend preconception care for all women, but particularly for women with comorbid conditions such as obesity, diabetes, and chronic hypertension. Family physicians should ask all women of reproductive age who are at risk of unintended pregnancy if they desire pregnancy within the next year and, based on this answer, provide counseling on contraception or preconception care...
April 2018: FP Essentials
https://www.readbyqxmd.com/read/29627357/estimating-the-numbers-of-pregnant-women-infected-with-zika-virus-and-infants-with-congenital-microcephaly-in-colombia-2015-2017
#11
Alys Adamski, Jeanne Bertolli, Carlos Castañeda-Orjuela, Owen J Devine, Michael A Johansson, Maritza Adegnis Gonzalez Duarte, Sarah C Tinker, Sherry L Farr, Marcela Maria Mercado Reyes, Van T Tong, Oscar Eduardo Pacheco Garcia, Diana Valencia, Diego Alberto Cuellar Ortiz, Margaret A Honein, Denise J Jamieson, Martha Lucía Ospina Martínez, Suzanne M Gilboa
BACKGROUND: Colombia experienced a Zika virus (ZIKV) outbreak in 2015-2016. To assist with planning for medical and supportive services for infants affected by prenatal ZIKV infection, we used a model to estimate the number of pregnant women infected with ZIKV and the number of infants with congenital microcephaly from August 2015- August 2017. METHODS: We used nationally-reported cases of symptomatic ZIKV disease among pregnant women and information from the literature on the percent of asymptomatic infections to estimate the number of pregnant women with ZIKV infection occurring August 2015 - December 2016...
April 5, 2018: Journal of Infection
https://www.readbyqxmd.com/read/29623138/clinical-serological-and-molecular-observations-from-a-case-series-study-during-the-asian-lineage-zika-virus-outbreak-in-grenada-during-2016
#12
Marco Brenciaglia, Trevor P Noël, Paul J Fields, Satesh Bidaisee, Todd E Myers, William M Nelson, Neeraja Venkateswaran, Kodumudi Venkateswaran, Nishanth Parameswaran, Avi Bahadoor, Katherine Yearwood, Veronica Mapp-Alexander, George Mitchell, A Desiree LaBeaud, Calum N L Macpherson
This paper describes the spatial and temporal distribution of cases, demographic characteristics of patients, and clinical manifestations of Zika virus (ZIKV) during the 2016 outbreak in Grenada. The first reported case was recorded in St. Andrew Parish in April, and the last reported case was seen in November, with peak transmission occurring in the last week of June, based on test results. Data were collected from a total of 514 patients, of whom 207 (40%) tested positive for ZIKV. No evidence was found that testing positive for ZIKV infection was related to age, gender, or pregnancy status...
2018: Canadian Journal of Infectious Diseases & Medical Microbiology
https://www.readbyqxmd.com/read/29606355/fetal-neuropathology-in-zika-virus-infected-pregnant-female-rhesus-monkeys
#13
Amanda J Martinot, Peter Abbink, Onur Afacan, Anna K Prohl, Roderick Bronson, Jonathan L Hecht, Erica N Borducchi, Rafael A Larocca, Rebecca L Peterson, William Rinaldi, Melissa Ferguson, Peter J Didier, Deborah Weiss, Mark G Lewis, Rafael A De La Barrera, Edward Yang, Simon K Warfield, Dan H Barouch
The development of interventions to prevent congenital Zika syndrome (CZS) has been limited by the lack of an established nonhuman primate model. Here we show that infection of female rhesus monkeys early in pregnancy with Zika virus (ZIKV) recapitulates many features of CZS in humans. We infected 9 pregnant monkeys with ZIKV, 6 early in pregnancy (weeks 6-7 of gestation) and 3 later in pregnancy (weeks 12-14 of gestation), and compared findings with uninfected controls. 100% (6 of 6) of monkeys infected early in pregnancy exhibited prolonged maternal viremia and fetal neuropathology, including fetal loss, smaller brain size, and histopathologic brain lesions, including microcalcifications, hemorrhage, necrosis, vasculitis, gliosis, and apoptosis of neuroprogenitor cells...
March 28, 2018: Cell
https://www.readbyqxmd.com/read/29590202/molecularly-barcoded-zika-virus-libraries-to-probe-in-vivo-evolutionary-dynamics
#14
Matthew T Aliota, Dawn M Dudley, Christina M Newman, James Weger-Lucarelli, Laurel M Stewart, Michelle R Koenig, Meghan E Breitbach, Andrea M Weiler, Matthew R Semler, Gabrielle L Barry, Katie R Zarbock, Amelia K Haj, Ryan V Moriarty, Mariel S Mohns, Emma L Mohr, Vanessa Venturi, Nancy Schultz-Darken, Eric Peterson, Wendy Newton, Michele L Schotzko, Heather A Simmons, Andres Mejia, Jennifer M Hayes, Saverio Capuano, Miles P Davenport, Thomas C Friedrich, Gregory D Ebel, Shelby L O'Connor, David H O'Connor
Defining the complex dynamics of Zika virus (ZIKV) infection in pregnancy and during transmission between vertebrate hosts and mosquito vectors is critical for a thorough understanding of viral transmission, pathogenesis, immune evasion, and potential reservoir establishment. Within-host viral diversity in ZIKV infection is low, which makes it difficult to evaluate infection dynamics. To overcome this biological hurdle, we constructed a molecularly barcoded ZIKV. This virus stock consists of a "synthetic swarm" whose members are genetically identical except for a run of eight consecutive degenerate codons, which creates approximately 64,000 theoretical nucleotide combinations that all encode the same amino acids...
March 28, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29579059/cardiac-findings-in-infants-with-in-utero-exposure-to-zika-virus-a-cross-sectional-study
#15
Dulce H G Orofino, Sonia R L Passos, Raquel V C de Oliveira, Carla Verona B Farias, Maria de Fatima M P Leite, Sheila M Pone, Marcos V da S Pone, Helena A R Teixeira Mendes, Maria Elizabeth L Moreira, Karin Nielsen-Saines
BACKGROUND: Antenatal exposure to Zika virus (ZIKV) is related to severe neurological manifestations. A previous study in Brazil reported an increased incidence of non-severe congenital heart defects in infants with diagnosis of congenital Zika syndrome but without laboratory confirmation of ZIKV infection in the mother or infant. The objective of this study is to report echocardiographic (ECHO) findings in infants with laboratory confirmed antenatal exposure to ZIKV. METHODOLOGY: Cross sectional study of cardiologic assessments of infants born between November 2015 and January 2017 with confirmed vertical exposure to ZIKV in Rio de Janeiro, Brazil...
March 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29561936/microcephaly-caused-by-congenital-zika-virus-infection-and-viral-detection-in-maternal-urine-during-pregnancy
#16
Vanessa Couras Regadas, Márcio de Castro E Silva, Lucas Giansante Abud, Luiz Mario Pereira Lopes Labadessa, Rafael Gouvêa Gomes de Oliveira, Cecília Hissae Miyake, Rodolfo Mendes Queiroz
Currently Latin America is undergoing a major epidemic of Zika virus, which is transmitted by Aedes mosquitoes. Concern for Zika virus infection has been increasing as it is suspected of causing brain defects in newborns such as microcephaly and, more recently, potential neurological and autoimmune complications including Guillian-Barré syndrome and acute disseminated encephalomyelitis. We describe a case of virus infection in a 25-year-old woman during the first trimester of her pregnancy, confirmed by laboratory tests only for the detection of viral particles in maternal urine, with imaging studies demonstrating the progression of cranial and encephalic changes in the fetus and later in the newborn, such as head circumference reduction, cerebral calcifications and ventriculomegaly...
January 2018: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/29557985/isolation-of-infectious-zika-virus-from-a-urine-sample-cultured-in-sirc-cells-from-a-patient-suspected-of-having-rubella-virus
#17
Maria Isabel de Oliveira, Gislene Mitsue Namiyama, Gabriela Bastos Cabral, João Leandro Ferreira, Noemi Taniwaki, Ana Maria Sardinha Afonso, Isabella Rillo Lima, Luís Fernando Macedo de Brigido
A great variety of viruses which cause exanthema share other clinical manifestations, making the etiologic identification a very difficult task, relying exclusively on the clinical examination. Rubella virus (RV) infection during the early stages of pregnancy can lead to serious birth defects, known as congenital rubella syndrome (CRS). In the present report, we described the presence of Zika virus (ZIKV) particles in urine samples and also ZIKV isolation in SIRC cells from the urine of a patient in acute phase of suspected rubella disease...
2018: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/29553331/two-infants-with-presumed-congenital-zika-syndrome-brownsville-texas-usa-2016-2017
#18
Ashley Howard, John Visintine, Jaime Fergie, Miguel Deleon
Since 2007, Zika virus has spread through the Pacific Islands and the Americas. Beginning in 2016, women in Brownsville, Texas, USA, were identified as possibly being exposed to Zika virus during pregnancy. We identified 18 pregnant women during 2016-2017 who had supportive serologic or molecular test results indicating Zika virus or flavivirus infection. Two infants were evaluated for congenital Zika syndrome after identification of prenatal microcephaly. Despite standard of care testing of mothers and neonates, comparative results were unreliable for mothers and infants, which highlights the need for clinical and epidemiologic evidence for an accurate diagnosis...
April 2018: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29539290/recognizing-the-global-impact-of-zika-virus-infection-during-pregnancy
#19
EDITORIAL
Margaret A Honein
No abstract text is available yet for this article.
March 15, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29539287/pregnancy-outcomes-after-zikv-infection-in-french-territories-in-the-americas
#20
Bruno Hoen, Bruno Schaub, Anna L Funk, Vanessa Ardillon, Manon Boullard, André Cabié, Caroline Callier, Gabriel Carles, Sylvie Cassadou, Raymond Césaire, Maylis Douine, Cécile Herrmann-Storck, Philippe Kadhel, Cédric Laouénan, Yoann Madec, Alice Monthieux, Mathieu Nacher, Fatiha Najioullah, Dominique Rousset, Catherine Ryan, Kinda Schepers, Sofia Stegmann-Planchard, Benoît Tressières, Jean-Luc Voluménie, Samson Yassinguezo, Eustase Janky, Arnaud Fontanet
BACKGROUND: The risk of congenital neurologic defects related to Zika virus (ZIKV) infection has ranged from 6 to 42% in various reports. The aim of this study was to estimate this risk among pregnant women with symptomatic ZIKV infection in French territories in the Americas. METHODS: From March 2016 through November 2016, we enrolled in this prospective cohort study pregnant women with symptomatic ZIKV infection that was confirmed by polymerase-chain-reaction (PCR) assay...
March 15, 2018: New England Journal of Medicine
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