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Maternal influenza

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https://www.readbyqxmd.com/read/28278407/influenza-vaccination-coverage-among-pregnant-indigenous-women-in-the-northern-territory-of-australia
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28129049/protection-of-children-against-influenza-emerging-problems
#12
Nicola Principi, Susanna Esposito
Influenza is a common disease and in children it can be severe enough to lead to hospitalization and death. Protection of all children against influenza, particularly the youngest, is strongly recommended by most health authorities. However, available vaccines cannot be used in the first 6 months of age, a period of life characterized by the highest risk of influenza-related complications. Maternal immunization is an attractive possibility to overcome this problem. For years, protection against influenza has been pursued by administering the trivalent inactivated vaccine given intramuscularly (IIV3)...
January 27, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28124849/uptake-of-the-influenza-vaccination-in-pregnancy
#13
D A Crosby, D Delau, C Brophy, F M Mcauliffe, R Mahony
Influenza is caused by a highly infectious RNA virus, which usually occurs in a seasonal pattern with epidemics in the winter months. The objective of this study was to determine the uptake of the influenza vaccine in a pregnant population and ascertain the reasons why some women did not receive it. A prospective cohort study was conducted over a two-week period in January 2016 in the National Maternity Hospital Dublin, a tertiary referral maternity hospital delivering over 9000 infants per year. There were 504 women studied over the 2-week period...
September 9, 2016: Irish Medical Journal
https://www.readbyqxmd.com/read/28103212/coverage-with-tetanus-diphtheria-and-acellular-pertussis-vaccine-and-influenza-vaccine-among-pregnant-women-minnesota-march-2013-december-2014
#14
Alexandra Barber, Miriam Halstead Muscoplat, Anna Fedorowicz
Pertussis and influenza infections can result in severe disease in infants. The diphtheria, tetanus, acellular pertussis (DTaP) vaccine is recommended for infants beginning at age 2 months, and influenza vaccine is recommended for infants aged ≥6 months. Vaccination of pregnant women induces the production of antibodies that are transferred across the placenta to the fetus and provide passive protection until infants are old enough to receive DTaP and influenza vaccines (1-3). To protect young infants before they are age-eligible for vaccination, the Advisory Committee on Immunization Practices (ACIP) has recommended since 2004 that all women who are or will be pregnant during influenza season receive inactivated influenza vaccine (1), and since 2013 that all pregnant women receive the tetanus, diphtheria, acellular pertussis (Tdap) vaccine (3)...
January 20, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28073985/population-based-pertussis-incidence-and-risk-factors-in-infants-less-than-6-months-in-nepal
#15
Michelle M Hughes, Janet A Englund, Jane Kuypers, James M Tielsch, Subarna K Khatry, Laxman Shrestha, Steven C LeClerq, Mark Steinhoff, Joanne Katz
BACKGROUND: Pertussis is estimated to cause 2 percent of childhood deaths globally and is a growing public health problem in developed countries despite high vaccination coverage. Infants are at greatest risk of morbidity and mortality. Maternal vaccination during pregnancy may be effective to prevent pertussis in young infants, but population-based estimates of disease burden in infants are lacking, particularly in low-income countries. The objective of this study was to estimate the incidence of pertussis in infants less than 6 months of age in Sarlahi District, Nepal...
January 10, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28060016/excess-respiratory-viral-infections-and-low-antibody-responses-among-hiv-exposed-uninfected-infants
#16
Adriana Weinberg, Marisa M Mussi-Pinhata, Qilu Yu, Rachel A Cohen, Volia C Almeida, Fabiana Amaral, Jorge Pinto, Maria L B Teixeira, Regina C M Succi, Laura Freimanis, Jennifer S Read, George Siberry
OBJECTIVE: HIV-exposed uninfected infants (HEUs) have frequent severe infection, hospitalization and death. We performed a serologic investigation to determine the role of common childhood respiratory pathogens in the excess incidence of infections in HEUs. DESIGN: Prospective cohort study of mother-infant pairs. METHODS: Among 247 HEUs and 88 HIV-unexposed uninfected (HUU) infant-mother pairs, we measured maternal antibodies to respiratory syncytial virus (RSV) and pneumococcus (PNC 1, 5, 6B, 14); infant antibodies to RSV, influenza A (Flu), parainfluenza viruses (PIV 1, 2, 3), and PNC 1, 5, 6B and 14 were measured at 0 and 6 months, and anti-tetanus antibodies at 6 months...
January 4, 2017: AIDS
https://www.readbyqxmd.com/read/28039625/the-influence-of-maternal-exposure-history-to-virus-and-medicine-during-pregnancy-on-congenital-heart-defects-of-fetus
#17
Qianhong Liang, Wei Gong, Dongming Zheng, Risheng Zhong, Yunjie Wen, Xiaodan Wang
Congenital heart disease (CHD) is the most common birth defect. It is due to dysfunction of the heart and great vessels during embryo development stage, or the channel was not closed after birth. This study focuses on investigating the influence of virus infection and medicine history during pregnancy on the incidence rate of CHD of fetus. We conducted a retrospective birth cohort study of infant born in the maternal and child health hospital of Fanyu district in Guangzhou. Five thousand three hundred eighty one cases with complete medical records, including mothers, fathers, and infants, were enrolled...
December 30, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27988883/surveillance-of-adverse-events-after-seasonal-influenza-vaccination-in-pregnant-women-and-their-infants-in-the-vaccine-adverse-event-reporting-system-july-2010-may-2016
#18
Pedro Moro, Jane Baumblatt, Paige Lewis, Janet Cragan, Naomi Tepper, Maria Cano
INTRODUCTION: Routine immunization of pregnant women with seasonal inactivated influenza vaccines (IIVs) is recommended in all trimesters of pregnancy. A review of the Vaccine Adverse Event Reporting System (VAERS) during 1990-2009 did not find any unexpected patterns of pregnancy complications or fetal outcomes after administration of IIV or live attenuated influenza vaccines (LAIVs). During the 2009-2010 pandemic influenza A (H1N1) vaccination campaign, a study noted that the number of VAERS reports from pregnant women who received the H1N1 2009 inactivated monovalent vaccine (n = 288) increased compared with 1990-2009 seasonal IIV pregnancy reports (n = 148)...
February 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/27969559/attitudes-and-beliefs-of-pregnant-women-and-new-mothers-regarding-influenza-vaccination-in-british-columbia
#19
Julie A Bettinger, Devon Greyson, Deborah Money
OBJECTIVE: Although pregnant women have increased risks for influenza morbidity and mortality, influenza vaccination rates among pregnant women in Canada are consistently very low. This mixed-methods study investigated the attitudes and behaviour of pregnant women and new mothers regarding seasonal and pandemic influenza vaccination. METHODS: We conducted a baseline survey and qualitative focus groups with 34 women (26 pregnant women and 8 mothers of newborns), with a follow-up survey to assess outcomes at the end of the subsequent influenza season...
November 2016: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/27916319/recombinant-viral-vectored-vaccines-for-the-control-of-avian-influenza-in-poultry
#20
David L Suarez, Mary J Pantin-Jackwood
Vaccination is a commonly used tool for the control of both low pathogenic and highly pathogenic avian influenza (AI) viruses. Traditionally, inactivated adjuvanted vaccines made from a low pathogenic field strain have been used for vaccination, but advances in molecular biology have allowed a number of different viral vectored vaccines, expressing the AI virus hemagglutinin (HA) gene, to be developed and licensed for use for control of AI. This review summarizes the licensed vector vaccines available for use in poultry...
November 24, 2016: Veterinary Microbiology
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