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Maternal influenza

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https://www.readbyqxmd.com/read/28433705/maternal-immunisation-collaborating-with-mother-nature
#1
REVIEW
Arnaud Marchant, Manish Sadarangani, Mathieu Garand, Nicolas Dauby, Valerie Verhasselt, Lenore Pereira, Gordean Bjornson, Christine E Jones, Scott A Halperin, Kathryn M Edwards, Paul Heath, Peter J Openshaw, David W Scheifele, Tobias R Kollmann
Maternal immunisation has the potential to substantially reduce morbidity and mortality from infectious diseases after birth. The success of tetanus, influenza, and pertussis immunisation during pregnancy has led to consideration of additional maternal immunisation strategies to prevent group B streptococcus and respiratory syncytial virus infections, among others. However, many gaps in knowledge regarding the immunobiology of maternal immunisation prevent the optimal design and application of this successful public health intervention...
April 19, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28433704/pertussis-and-influenza-immunisation-during-pregnancy-a-landscape-review
#2
REVIEW
Bahaa Abu Raya, Kathryn M Edwards, David W Scheifele, Scott A Halperin
Immunisation during pregnancy is a relatively new strategy, and is currently limited to tetanus, pertussis, and influenza vaccines. None of these vaccines were developed specifically for use in pregnancy, but they provide an effective method of protecting mothers and young infants. In response to increases in pertussis morbidity and mortality among young infants, several countries have recommended universal tetanus, diphtheria, and acellular pertussis immunisation during pregnancy. Similarly, many countries recommend influenza immunisation during pregnancy to reduce the risk of disease for mother and infant...
April 19, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28418800/predictors-of-breastfeeding-initiation-and-maintenance-in-an-integrated-healthcare-setting
#3
Michelle L Henninger, Stephanie A Irving, Tia L Kauffman, Samantha K Kurosky, Kathryn Rompala, Mark G Thompson, Leslie Z Sokolow, Lyndsay Ammon Avalos, Sarah W Ball, Pat Shifflett, Allison L Naleway
BACKGROUND: The American Academy of Pediatrics recommends exclusive breastfeeding to age 6 months. Although breastfeeding rates in the United States have been increasing over time, further improvements are needed to meet Healthy People 2020 targets. Research aim: This study examined predictors of breastfeeding initiation and maintenance among a population of insured pregnant women. METHODS: Participants were 1,149 pregnant women enrolled in the Pregnancy and Influenza Project in two Kaiser Permanente regions in 2010-2011...
May 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28404574/parasitic-infections-in-pregnancy-decrease-placental-transfer-of-anti-pneumococcal-antibodies
#4
Noah D McKittrick, David M Vu, Indu Malhotra, Charles H King, Francis Mutuku, A Desiree LaBeaud
Many factors can influence maternal placental antibody transfer to the fetus, which confers important immune protection to the newborn infant. However, little is known about the effect of maternal parasitic infection on placental antibody transfer. To investigate this, we selected, from a parent study of 576 pregnant Kenyan women, four groups of women with term deliveries (≥37 weeks), including uninfected women (N=30) and women with solo infections of malaria (N=30), hookworm (N=30), or schistosomiasis (N=10)...
April 12, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28398678/maternal-immunization
#5
Helen Y Chu, Janet A Englund
Pregnant women, neonates, and infants are at higher risk for severe infections due to vaccine-preventable diseases. Very young infants rarely respond well to vaccination due to poor immunogenicity and interference from maternal antibody. Maternal immunization protects the mother and fetus from disease and protects the infant through transplacental antibody transfer through the first 6 months of life. Currently, immunizations routinely recommended during pregnancy include inactivated influenza, tetanus toxoid, and acellular pertussis vaccines...
March 15, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28369245/re-detectable-risks-in-studies-of-the-fetal-benefits-of-maternal-influenza-vaccination
#6
Gaston De Serres, Danuta M Skowronski
No abstract text is available yet for this article.
March 29, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28359619/predictors-of-influenza-vaccination-in-the-u-s-among-children-9-13years-of-age
#7
Teresa M Imburgia, Kristin S Hendrix, Kelly L Donahue, Lynne A Sturm, Gregory D Zimet
BACKGROUND AND OBJECTIVES: U.S. estimates of seasonal influenza (flu) vaccine uptake in 2014-2015 were 62% for 5-12year olds, dropping to 47% for 13-17year olds. The Healthy People 2020 goal for these age groups is 80%. It is important to understand factors associated with influenza vaccination, especially for those ages where rates begin to decline. The objective of this study was to identify factors associated with influenza vaccination acceptance in 9-13year old children. METHODS: An online U...
March 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28343772/report-of-the-who-technical-consultation-on-the-effect-of-maternal-influenza-and-influenza-vaccination-on-the-developing-fetus-montreal-canada-september-30-october-1-2015
#8
Deshayne B Fell, Zulfiqar A Bhutta, Jennifer A Hutcheon, Ruth A Karron, Marian Knight, Michael S Kramer, Arnold S Monto, Geeta K Swamy, Justin R Ortiz, David A Savitz
In 2012, the World Health Organization (WHO) released a position paper on influenza vaccination recommending that pregnant women have the highest priority for seasonal vaccination in countries where the initiation or expansion of influenza immunization programs is under consideration. Although the primary goal of the WHO recommendation is to prevent influenza illness in pregnant women, the potential benefits of maternal immunization in protecting young infants are also recognized. The extent to which maternal influenza vaccination may prevent adverse birth outcomes such as preterm birth or small-for-gestational-age birth, however, is unclear as available studies are in disagreement...
March 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28341114/measuring-maternal-tdap-and-influenza-vaccination-rates-comparison-of-two-population-based-methods
#9
Ruth Koepke, Stephanie L Schauer, Jeffrey P Davis
Pregnant women are routinely recommended to receive Tdap and influenza vaccines to prevent disease and complications among mothers and newborns. Monitoring population trends in maternal vaccination is important in order to evaluate the implementation of these recommendations and to identify pockets of need. We present two methods for measuring maternal vaccination among a state population and discuss the strengths and drawbacks of each method. First, we matched maternal information from records of Wisconsin births during 2013-2015 with maternal vaccination records in the Wisconsin Immunization Registry...
March 21, 2017: Vaccine
https://www.readbyqxmd.com/read/28278407/influenza-vaccination-coverage-among-pregnant-indigenous-women-in-the-northern-territory-of-australia
#10
Sarah A Moberley, Jolie Lawrence, Vanessa Johnston, Ross M Andrews
Pregnant Aboriginal and Torres Strait Islander women are at particular risk of severe illness and high attack rates of influenza infection. In Australia, routine seasonal influenza vaccination is currently strongly recommended for all pregnant women and women planning pregnancy, and is provided free of charge for all pregnant women. We sought to determine vaccination coverage, describe the trends and characteristics associated with influenza vaccine uptake and determine the validity of self-reported influenza vaccination in a population of Indigenous pregnant women who were participants of a vaccine trial, prior to and during the 2009 H1N1 influenza pandemic...
September 30, 2016: Communicable Diseases Intelligence Quarterly Report
https://www.readbyqxmd.com/read/28254223/seropositivity-of-influenza-a-h1ni-in-mothers-and-infants-following-maternal-vaccination-with-trivalent-seasonal-influenza-vaccine-after-the-2009-pandemic
#11
An-Shine Chao, Yao-Lung Chang, Anne Chao, Ting-Shu Wu, Lan-Yan Yang, Reyin Lian, Yhu-Chering Huang
OBJECTIVE: To assess H1N1 antibody titers between vaccinated and nonvaccinated maternal and cord blood sera after the 2009 pandemic. MATERIALS AND METHODS: Antibody titers were measured in maternal blood and cord sera from three groups of pregnant women in this prospective study. Group 1 comprised women who received a trivalent seasonal influenza vaccine before conception, Group 2 comprised women who received a single injection of monovalent H1N1 vaccine during pregnancy, and Group 3 comprised women who were nonvaccinated...
February 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28237252/effect-of-ebola-virus-disease-on-maternal-and-child-health-services-in-guinea-a-retrospective-observational-cohort-study
#12
Alexandre Delamou, Alison M El Ayadi, Sidikiba Sidibe, Therese Delvaux, Bienvenu S Camara, Sah D Sandouno, Abdoul H Beavogui, Georges W Rutherford, Junko Okumura, Wei-Hong Zhang, Vincent De Brouwere
BACKGROUND: The 2014 west African epidemic of Ebola virus disease posed a major threat to the health systems of the countries affected. We sought to quantify the consequences of Ebola virus disease on maternal and child health services in the highly-affected Forest region of Guinea. METHODS: We did a retrospective, observational cohort study of women and children attending public health facilities for antenatal care, institutional delivery, and immunisation services in six of seven health districts in the Forest region (Beyla, Guéckédou, Kissidougou, Lola, Macenta, and N'Zérékoré)...
April 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28237236/influenza-a-virus-in-swine-breeding-herds-combination-of-vaccination-and-biosecurity-practices-can-reduce-likelihood-of-endemic-piglet-reservoir
#13
L A White, M Torremorell, M E Craft
Recent modelling and empirical work on influenza A virus (IAV) suggests that piglets play an important role as an endemic reservoir. The objective of this study is to test intervention strategies aimed at reducing the incidence of IAV in piglets and ideally, preventing piglets from becoming exposed in the first place. These interventions include biosecurity measures, vaccination, and management options that swine producers may employ individually or jointly to control IAV in their herds. We have developed a stochastic Susceptible-Exposed-Infectious-Recovered-Vaccinated (SEIRV) model that reflects the spatial organization of a standard breeding herd and accounts for the different production classes of pigs therein...
March 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28222999/effect-of-stepwise-perinatal-immunization-education-a-cluster-randomized-controlled-trial
#14
Aya Saitoh, Akihiko Saitoh, Isamu Sato, Tomohiro Shinozaki, Hajime Kamiya, Satoko Nagata
BACKGROUND: Perinatal immunization education is important for improving the immunization outcomes of infants; however, the content of educational materials used at each perinatal period has not been carefully evaluated. We hypothesized that stepwise education offered at different perinatal periods would improve infant immunization status and enhance maternal immunization knowledge. METHODS: In this cluster-randomized controlled trial, pregnant women were recruited from nine obstetric sites in Niigata, Japan...
February 17, 2017: Vaccine
https://www.readbyqxmd.com/read/28190746/birth-outcomes-for-australian-mother-infant-pairs-who-received-an-influenza-vaccine-during-pregnancy-2012-2014-the-flumum-study
#15
Lisa McHugh, Ross M Andrews, Stephen B Lambert, Kerri A Viney, Nicholas Wood, Kirsten P Perrett, Helen S Marshall, Peter Richmond, Kerry-Ann F O'Grady
INTRODUCTION: In Australia, influenza vaccination is recommended for all women who will be pregnant during the influenza season. Vaccine safety and effectiveness are key concerns and influencers of uptake for both vaccine providers and families. We assessed the safety of receiving an influenza vaccination during any trimester of pregnancy with respect to preterm births and infant birthweight. METHODS: We conducted a nested retrospective cohort study of 'FluMum' participants (2012-2014)...
February 9, 2017: Vaccine
https://www.readbyqxmd.com/read/28182741/etiology-of-severe-pneumonia-in-ecuadorian-children
#16
Sivani Jonnalagadda, Oswaldo Rodríguez, Bertha Estrella, Lora L Sabin, Fernando Sempértegui, Davidson H Hamer
BACKGROUND: In Latin America, community-acquired pneumonia remains a major cause of morbidity and mortality among children. Few studies have examined the etiology of pneumonia in Ecuador. METHODS: This observational study was part of a randomized, double blind, placebo-controlled clinical trial conducted among children aged 2-59 months with severe pneumonia in Quito, Ecuador. Nasopharyngeal and blood samples were tested for bacterial and viral etiology by polymerase chain reaction...
2017: PloS One
https://www.readbyqxmd.com/read/28178298/the-impact-of-prenatal-exposure-to-parasitic-infections-and-to-anthelminthic-treatment-on-antibody-responses-to-routine-immunisations-given-in-infancy-secondary-analysis-of-a-randomised-controlled-trial
#17
Stephen Nash, Alexander J Mentzer, Swaib A Lule, Dennison Kizito, Gaby Smits, Fiona R M van der Klis, Alison M Elliott
BACKGROUND: Chronic parasitic infections are associated with active immunomodulation which may include by-stander effects on unrelated antigens. It has been suggested that pre-natal exposure to parasitic infections in the mother impacts immunological development in the fetus and hence the offspring's response to vaccines, and that control of parasitic infection among pregnant women will therefore be beneficial. METHODOLOGY/PRINCIPAL FINDINGS: We used new data from the Entebbe Mother and Baby Study, a trial of anthelminthic treatment during pregnancy conducted in Uganda, to further investigate this hypothesis...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28170416/cost-effectiveness-of-maternal-influenza-immunization-in-bamako-mali-a-decision-analysis
#18
Evan W Orenstein, Lauren A V Orenstein, Kounandji Diarra, Mahamane Djiteye, Diakaridia Sidibé, Fadima C Haidara, Moussa F Doumbia, Fatoumata Diallo, Flanon Coulibaly, Adama M Keita, Uma Onwuchekwa, Ibrahima Teguete, Milagritos D Tapia, Samba O Sow, Myron M Levine, Richard Rheingans
BACKGROUND: Maternal influenza immunization has gained traction as a strategy to diminish maternal and neonatal mortality. However, efforts to vaccinate pregnant women against influenza in developing countries will require substantial investment. We present cost-effectiveness estimates of maternal influenza immunization based on clinical trial data from Bamako, Mali. METHODS: We parameterized a decision-tree model using prospectively collected trial data on influenza incidence, vaccine efficacy, and direct and indirect influenza-related healthcare expenditures...
2017: PloS One
https://www.readbyqxmd.com/read/28170335/maternal-death-from-influenza-in-tropical-thailand
#19
Pipat Thongnoi, Prabda Praphasiri, Fatimah S Dawood, Kim A Lindblade
No abstract text is available yet for this article.
February 4, 2017: Lancet
https://www.readbyqxmd.com/read/28152987/trends-and-causes-of-maternal-mortality-in-ethiopia-during-1990-2013-findings-from-the-global-burden-of-diseases-study-2013
#20
Gizachew Assefa Tessema, Caroline O Laurence, Yohannes Adama Melaku, Awoke Misganaw, Sintayehu A Woldie, Abiye Hiruye, Azmeraw T Amare, Yihunie Lakew, Berihun M Zeleke, Amare Deribew
BACKGROUND: Maternal mortality is noticeably high in sub-Saharan African countries including Ethiopia. Continuous nationwide systematic evaluation and assessment of the problem helps to design appropriate policy and strategy in Ethiopia. This study aimed to investigate the trends and causes of maternal mortality in Ethiopia between 1990 and 2013. METHODS: We used the Global Burden of Diseases and Risk factors (GBD) Study 2013 data that was collected from multiple sources at national and subnational levels...
February 2, 2017: BMC Public Health
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