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Maternal influenza

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https://www.readbyqxmd.com/read/29322575/vaccine-preventable-child-deaths-in-new-south-wales-from-2005-to-2014-how-much-is-preventable
#1
Anastasia Phillips, Frank Beard, Kristine Macartney, Jocelyn Chan, Robin Gilmour, Gemma Saravanos, Peter McIntyre
AIM: To identify and describe potentially vaccine-preventable child deaths in New South Wales (NSW). METHODS: Child deaths in NSW from 2005 to 2014 potentially preventable by vaccination were identified from the NSW Child Death Register (maintained by the NSW Ombudsman) and the Notifiable Conditions Information Management System (NSW Health). Medical and post-mortem records were reviewed. Cases were classified as vaccine-preventable based on the strength of evidence for the relevant infection causing death and likelihood that death was preventable through vaccination...
January 11, 2018: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29320882/the-impact-of-influenza-virus-infection-in-pregnancy
#2
Lucy K Somerville, Kerri Basile, Dominic E Dwyer, Jen Kok
Data from previous seasonal epidemics and pandemics have confirmed that pregnant women are at increased risk for severe influenza virus infection. Complications including fetal loss, higher rates of hospitalization and maternal death are most notable during the late gestational period. Antiviral therapy and influenza vaccination are recommended in pregnant women as both are effective and safe. This review discusses the epidemiology, pathophysiology, treatment and prevention of influenza virus infection in pregnancy, with a focus on recent developments...
January 11, 2018: Future Microbiology
https://www.readbyqxmd.com/read/29315536/a-decision-analytic-model-for-prevention-of-hepatitis-b-virus-infection-in-sub-saharan-africa-using-birth-dose-vaccination
#3
Sarah Anderson, Lorie M Harper, Jodie Dionne-Odom, Gregory Halle-Ekane, Alan T N Tita
OBJECTIVE: To compare prenatal maternal hepatitis B virus (HBV) screening and infant vaccination strategies to inform policy on HBV prevention in Sub-Saharan Africa. METHODS: A decision analytic model was created using previously published data to assess the ability of three intervention strategies to prevent HBV infection by age 10 years. Strategy 1 comprised of universal vaccination with a pentavalent vaccine (HBV, diphtheria, tetanus, pertussis, and Haemophilus influenzae) at age 6 weeks...
January 8, 2018: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29313417/beyond-the-verbal-pregnant-women-s-preferences-for-receiving-influenza-and-tdap-vaccine-information-from-their-obstetric-care-providers
#4
Mallory Ellingson, Allison T Chamberlain
OBJECTIVE: Prenatal providers are pregnant women's most trusted sources of health information, and a provider's recommendation is a strong predictor of maternal vaccine receipt. However, other ways women prefer receiving vaccine-related information from prenatal providers, aside from face-to-face conversations, is unclear. This study explores what secondary communication methods are preferred for receiving maternal vaccine-related information. STUDY DESIGN: Obstetric patients at four prenatal clinics around Atlanta, Georgia received a 27-item survey between May 5th, 2016 and June 15th, 2016...
January 9, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29310901/why-do-we-not-want-to-recommend-influenza-vaccination-to-young-children-a-qualitative-study-of-australian-parents-and-primary-care-providers
#5
Ruby Biezen, Danilla Grando, Danielle Mazza, Bianca Brijnath
INTRODUCTION: Influenza vaccination has been shown to be safe and effective against influenza and in the prevention of complicating secondary respiratory illnesses. However, its uptake in young children remains low. This study explored the views, attitudes and practices of parents and primary care providers (PCPs) on their knowledge and acceptance of influenza vaccination in children under 5. METHODS: Using a cross-sectional qualitative research design, we conducted 30 in-depth interviews with PCPs (i...
January 5, 2018: Vaccine
https://www.readbyqxmd.com/read/29283997/maternal-influenza-vaccine-strategies-in-kenya-which-approach-would-have-the-greatest-impact-on-disease-burden-in-pregnant-women-and-young-infants
#6
Meredith L McMorrow, Gideon O Emukule, David Obor, Bryan Nyawanda, Nancy A Otieno, Caroline Makokha, Joshua A Mott, Joseph S Bresee, Carrie Reed
BACKGROUND: Recent influenza surveillance data from Africa suggest an important burden of influenza-associated morbidity and mortality. In tropical countries where influenza virus transmission may not be confined to a single season alternative strategies for vaccine distribution via antenatal care (ANC) or semiannual campaigns should be considered. METHODS: Using data on monthly influenza disease burden in women of child-bearing age and infants aged 0-5 months in Kenya from 2010-2014, we estimated the number of outcomes (illnesses, medical visits, hospitalizations, and deaths) that occurred and that may have been averted through influenza vaccination of pregnant women using: 1) a year-round immunization strategy through ANC, 2) annual vaccination campaigns, and 3) semiannual vaccination campaigns...
2017: PloS One
https://www.readbyqxmd.com/read/29281710/maternal-influenza-immunization-in-malawi-piloting-a-maternal-influenza-immunization-program-costing-tool-by-examining-a-prospective-program
#7
Clint Pecenka, Spy Munthali, Paul Chunga, Ann Levin, Win Morgan, Philipp Lambach, Niranjan Bhat, Kathleen M Neuzil, Justin R Ortiz, Raymond Hutubessy
BACKGROUND: This costing study in Malawi is a first evaluation of a Maternal Influenza Immunization Program Costing Tool (Costing Tool) for maternal immunization. The tool was designed to help low- and middle-income countries plan for maternal influenza immunization programs that differ from infant vaccination programs because of differences in the target population and potential differences in delivery strategy or venue. METHODS: This analysis examines the incremental costs of a prospective seasonal maternal influenza immunization program that is added to a successful routine childhood immunization and antenatal care program...
2017: PloS One
https://www.readbyqxmd.com/read/29236357/live-attenuated-influenza-virus-vaccine-reduces-virus-shedding-of-newborn-piglets-in-the-presence-of-maternal-antibody
#8
Marika Genzow, Christa Goodell, Troy J Kaiser, Wesley Johnson, Marc Eichmeyer
BACKGROUND: Influenza A virus in swine (IAV-S) causes an acute respiratory disease of swine which results in great economic losses in pig production. Major control strategies include the use of killed vaccines (KV) in breeding females to confer passive immunity to their offspring. A bivalent H1N1 and H3N2 NS1-truncated live attenuated IAV-S vaccine has recently become available, which showed promising results in young pigs. OBJECTIVE: The aim of this study was to investigate the effect of an intranasal vaccination of newborn pigs with or without maternally derived antibodies (MDA) on virus shedding (via nasal swabs tested by virus isolation)...
December 13, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/29235984/deaths-leading-causes-for-2015
#9
Melonie Heron
Objectives-This report presents final 2015 data on the 10 leading causes of death in the United States by age, sex, race, and Hispanic origin. Leading causes of infant, neonatal, and postneonatal death are also presented. This report supplements "Deaths: Final Data for 2015," the National Center for Health Statistics' annual report of final mortality statistics. Methods-Data in this report are based on information from all death certificates filed in the 50 states and the District of Columbia in 2015. Causes of death classified by the International Classification of Diseases, Tenth Revision (ICD-10) are ranked according to the number of deaths assigned to rankable causes...
November 2017: National Vital Statistics Reports
https://www.readbyqxmd.com/read/29216373/protective-effect-of-maternal-influenza-vaccination-on-influenza-in-their-infants-a-prospective-cohort-study
#10
Satoko Ohfuji, Masaaki Deguchi, Daisuke Tachibana, Masayasu Koyama, Tetsu Takagi, Takayuki Yoshioka, Akinori Urae, Kazuya Ito, Tetsuo Kase, Akiko Maeda, Kyoko Kondo, Wakaba Fukushima, Yoshio Hirota
Background: Infants under 6 months of age are too young to receive influenza vaccine, despite being at high risk for severe influenza-related complications. Methods: To examine the effectiveness of maternal influenza vaccination in preventing infants' influenza, we conducted a prospective cohort study among 3,441 infants born at the participating hospitals before the 2013/14 influenza season. At the time of recruitment, their mothers completed the questionnaire about influenza vaccination status for the 2013/14 season...
December 5, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29180030/the-efficacy-of-recombinant-turkey-herpesvirus-vaccines-targeting-the-h5-of-highly-pathogenic-avian-influenza-virus-from-the-2014-2015-north-american-outbreak
#11
Charles L Balzli, Kateri Bertran, Dong-Hun Lee, Lindsay Killmaster, Nikki Pritchard, Perry Linz, Teshome Mebatsion, David E Swayne
The outbreak of highly pathogenic avian influenza virus in North American poultry during 2014 and 2015 demonstrated the devastating effects of the disease and highlighted the need for effective emergency vaccine prevention and control strategies targeted at currently circulating strains. This study evaluated the efficacy of experimental recombinant turkey herpesvirus vector vaccines with three different inserts targeting the hemagglutinin gene of an isolate from the recent North American influenza outbreak...
November 24, 2017: Vaccine
https://www.readbyqxmd.com/read/29176767/h1n1-influenza-virus-infection-results-in-adverse-pregnancy-outcomes-by-disrupting-tissue-specific-hormonal-regulation
#12
Elizabeth Q Littauer, E Stein Esser, Olivia Q Antao, Elena V Vassilieva, Richard W Compans, Ioanna Skountzou
Increased susceptibility to influenza virus infection during pregnancy has been attributed to immunological changes occurring before and during gestation in order to "tolerate" the developing fetus. These systemic changes are most often characterized by a suppression of cell-mediated immunity and elevation of humoral immune responses referred to as the Th1-Th2 shift. However, the underlying mechanisms which increase pregnant mothers' risk following influenza virus infection have not been fully elucidated. We used pregnant BALB/c mice during mid- to late gestation to determine the impact of a sub-lethal infection with A/Brisbane/59/07 H1N1 seasonal influenza virus on completion of gestation...
November 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29145441/distinct-t-and-nk-cell-populations-may-serve-as-immune-correlates-of-protection-against-symptomatic-pandemic-influenza-a-h1n1-virus-infection-during-pregnancy
#13
Miloje Savic, Jennifer L Dembinski, Ida Laake, Olav Hungnes, Rebecca Cox, Fredrik Oftung, Lill Trogstad, Siri Mjaaland
Maternal influenza infection during pregnancy is associated with increased risk of morbidity and mortality. However, the link between the anti-influenza immune responses and health-related risks during infection is not well understood. We have analyzed memory T and NK cell mediated immunity (CMI) responses in pandemic influenza A(H1N1)pdm09 (pdm09) virus infected non-vaccinated pregnant women participating in the Norwegian Influenza Pregnancy Cohort (NorFlu). The cohort includes information on immunization, self-reported health and disease status, and biological samples (plasma and PBMC)...
2017: PloS One
https://www.readbyqxmd.com/read/29139107/antenatal-influenza-and-pertussis-vaccine-uptake-among-aboriginal-mothers-in-western-australia
#14
Kennia Lotter, Annette K Regan, Tyra Thomas, Paul V Effler, Donna B Mak
BACKGROUND: Antenatal influenza and pertussis vaccination prevent serious disease in mothers and infants. Aboriginal individuals are at increased risk of infection yet little is known about vaccine coverage among Aboriginal mothers. AIMS: To estimate the uptake of influenza and pertussis vaccination among pregnant Aboriginal women in Western Australia and identify barriers and enablers to vaccination. MATERIALS AND METHODS: Four hundred Aboriginal women, aged ≥18 years, who gave birth to a live infant between April and October 2015, were randomly selected and invited to participate in telephone interviews...
November 14, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29120017/review-of-maternal-immunisation-during-pregnancy-focus-on-pertussis-and-influenza
#15
Géraldine Blanchard-Rohner, Christiane Eberhardt
Seasonal influenza and pertussis infections are known to be significant causes of morbidity and mortality in neonates and infants worldwide. Influenza has also been associated with severe complications in pregnant women and after delivery. The most efficient and safe strategy to protect mothers and their offspring is maternal immunisation during pregnancy. The maternal antibodies thus acquired are transferred to the fetus as of the second trimester and confer passive immunity until the first infant immunisations...
November 9, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29108905/-maternal-deaths-due-to-infectious-cause-results-from-the-french-confidential-enquiry-into-maternal-deaths-2010-2012
#16
A Rigouzzo, V Tessier, L Zieleskiewicz
Over the period 2010-2012, maternal mortality from infectious causes accounted for 5% of maternal deaths by direct causes and 16% of maternal deaths by indirect causes. Among the 22 deaths caused by infection occurred during this period, 6 deaths were attributed to direct causes from genital tract origin, confirming thus the decrease in direct maternal deaths by infection during the last ten years. On the contrary, indirect maternal deaths by infection, from extragenital origin, doubled during the same period, with 16 deaths in the last triennium, dominated by winter respiratory infections, particularly influenza: the 2009-2010 influenza A (H1N1) virus pandemic was the leading cause of indirect maternal mortality by infection during the studied period...
November 3, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29100709/nutritional-status-of-infants-at-six-months-of-age-following-maternal-influenza-immunization-a-randomized-placebo-controlled-trial-in-rural-nepal
#17
Joanne Katz, Janet A Englund, Mark C Steinhoff, Subarna K Khatry, Laxman Shrestha, Jane Kuypers, Luke C Mullany, Helen Y Chu, Steven C LeClerq, Naoko Kozuki, James M Tielsch
BACKGROUND: Maternal influenza vaccination has increased birth weight in two randomized trials in South Asia but the impact on infant growth is unknown. METHODS: A randomized placebo-controlled trial of year round maternal influenza immunization was conducted in two annual cohorts in Sarlahi District, southern plains of Nepal, from April 2011 through April 2014. Infants born to women enrolled in the trial had weight, length, and head circumference measured at birth and 6 months of age...
October 31, 2017: Vaccine
https://www.readbyqxmd.com/read/29073129/receipt-of-selected-preventive-health-services-for-women-and-men-of-reproductive-age-united-states-2011-2013
#18
Karen Pazol, Cheryl L Robbins, Lindsey I Black, Katherine A Ahrens, Kimberly Daniels, Anjani Chandra, Anjel Vahratian, Lorrie E Gavin
PROBLEM/CONDITION: Receipt of key preventive health services among women and men of reproductive age (i.e., 15-44 years) can help them achieve their desired number and spacing of healthy children and improve their overall health. The 2014 publication Providing Quality Family Planning Services: Recommendations of CDC and the U.S. Office of Population Affairs (QFP) establishes standards for providing a core set of preventive services to promote these goals. These services include contraceptive care for persons seeking to prevent or delay pregnancy, pregnancy testing and counseling, basic infertility services for those seeking to achieve pregnancy, sexually transmitted disease (STD) services, and other preconception care and related preventive health services...
October 27, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/29048989/vaccination-in-pregnancy-attitudes-of-nurses-midwives-and-health-visitors-in-england
#19
Bhavita Vishram, Louise Letley, Albert Jan Van Hoek, Louise Silverton, Helen Donovan, Cheryll Adams, David Green, Angela Edwards, Joanne Yarwood, Helen Bedford, Gayatri Amirthalingam, Helen Campbell
OBJECTIVE: To examine amongst healthcare professionals in England; knowledge of vaccinations in pregnancy, their perceived roles in these programmes and whether they recommend scheduled vaccines to pregnant women. DESIGN: Cross sectional survey (online questionnaire) Setting: Healthcare workers in contact with pregnant women in England. PARTICIPANTS: The survey analysis included 3441 healthcare workers who had been surveyed during May to August 2015...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29037576/pertussis-seroepidemiology-in-women-and-their-infants-in-sarlahi-district-nepal
#20
Michelle M Hughes, Janet A Englund, Kathryn Edwards, Sandra Yoder, James M Tielsch, Mark Steinhoff, Subarna K Khatry, Steven C LeClerq, Joanne Katz
BACKGROUND: Infants are at greatest risk for pertussis morbidity and mortality. Maternal vaccination during pregnancy has been shown to prevent pertussis in young infants in high- and middle-income countries. However, data on the levels of maternal pertussis antibodies and the efficiency of transplacental transfer in low-income South Asian settings are limited. OBJECTIVE: To estimate the prevalence of maternal pertussis antibodies and the efficiency of transplacental transfer in rural southern Nepal...
October 13, 2017: Vaccine
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