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"maternal vaccination"

Eder Gatti Fernandes, Ana Marli Christovam Sartori, Patrícia Coelho de Soárez, Telma Regina M P Carvalhanas, Marcela Rodrigues, Hillegonda Maria Dutilh Novaes
BACKGROUND: A significant increase in pertussis incidence occurred in Brazil, from 2011 to 2014, despite high coverage of childhood immunization with whole-cell-pertussis (wP) containing vaccines. This study presents pertussis surveillance data from São Paulo state and discusses the challenges to interpret them considering pertussis cyclic epidemic behavior, the introduction of new diagnostic techniques and new vaccination strategies, and enhanced disease awareness during epidemics. METHODS: Observational study including pertussis cases reported to the Surveillance System in São Paulo state, from January 2001 to December 2015...
March 13, 2018: BMC Infectious Diseases
Nathan Saul, Kevin Wang, Shopna Bag, Heather Baldwin, Kate Alexander, Meena Chandra, Jane Thomas, Helen Quinn, Vicky Sheppeard, Stephen Conaty
BACKGROUND: Infants are at the highest risk of severe complications - including death - as a result of pertussis infection. Controlling pertussis in this group has been challenging, particularly in those too young to be vaccinated. Following revised national recommendations in March 2015, the state of New South Wales, Australia, introduced a funded maternal vaccination campaign at 28 - 32 weeks of gestation using a 3-component tetanus-diphtheria-acellular pertussis vaccine (dTpa; Boostrix, GSK)...
February 28, 2018: Vaccine
Sushena Krishnaswamy, Allen C Cheng, Euan M Wallace, Jim Buttery, Michelle Giles
The role of maternal vaccination in reducing neonatal morbidity and mortality is expanding but uptake remains suboptimal. While the barriers to uptake have been well described, women from minority groups have not been well represented in previous studies. In this study we examine the facilitators and barriers to uptake of antenatal vaccination by women from culturally and linguistically diverse backgrounds in Melbourne, Australia. 537 women attending antenatal care completed a survey; 69% were born overseas...
March 1, 2018: Human Vaccines & Immunotherapeutics
Alisa Kachikis, Linda O Eckert, Janet Englund
Maternal immunization for prevention of morbidity and mortality of pregnant women and their neonates due to infectious diseases is ongoing worldwide. The complexity of vaccine research and development in this population is challenging. Not only do vaccines for pregnant women require evidence of immunogenicity, potency, stability, and limited reactogenicity, they must also provide efficacy in decreasing morbidity for the pregnant woman, her fetus, and the neonate, demonstrate safety or lack of evidence of harm, and offer benefit or potential benefit of vaccination during pregnancy...
February 23, 2018: Viral Immunology
Lakshmi Sukumaran, Natalie L McCarthy, Elyse O Kharbanda, Gabriela Vazquez-Benitez, Heather S Lipkind, Lisa Jackson, Nicola P Klein, Allison L Naleway, David L McClure, Rulin C Hechter, Alison T Kawai, Jason M Glanz, Eric S Weintraub
BACKGROUND: The Advisory Committee on Immunization Practices currently recommends pregnant women receive influenza and tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis (Tdap) vaccines. There are limited studies of the long-term safety in infants for vaccines administered during pregnancy. We evaluate whether maternal receipt of influenza and Tdap vaccines increases the risk of infant hospitalization or death in the first 6 months of life. METHODS: We included singleton, live birth pregnancies in the Vaccine Safety Datalink between 2004 and 2014...
February 20, 2018: Pediatrics
J Frade, C Nunes, J R Mesquita, M São José Nascimento, G Gonçalves
This study evaluated the impact of maternal vaccination against rubella on the levels of specific rubella IgG (rIgG) in 198 newborn cord sera samples. Detailed maternal vaccination data were available. Specific rIgG was measured using a commercial enzyme immunoassay. Most mothers (78.8%) had been vaccinated against rubella at least once in their lives. In 15 (7.6%) cord sera samples, the concentration of specific rIgG was below 11 IU/ml, which was classified as seronegative. Statistical analysis using multiple logistic regression (n = 198) showed that newborns of mothers born between 1986 and 1995, and those born to unvaccinated mothers, were more likely to be seronegative (odds ratio (ORs) 5...
February 20, 2018: Epidemiology and Infection
Marta C Nunes, Shabir A Madhi
The influenza virus circulates yearly and causes global epidemics. Influenza infection affects all age groups and causes mild to severe illness, and young infants are at particular risk for serious disease. The most effective measure to prevent influenza disease is vaccination; however, no vaccine is licensed for use in infants younger than 6 months old. Thus, there is a crucial need for other preventive strategies in this high-risk age group. Influenza vaccination during pregnancy protects both the mothers and the young infants against influenza infection...
2018: F1000Research
Qianniu Li, Ouyang Peng, Tingting Wu, Zhichao Xu, Licheng Huang, Yun Zhang, Chunyi Xue, Zhifen Wen, Qingfeng Zhou, Yongchang Cao
Porcine epidemic diarrhea (PED) is an important re-emergent infectious disease and inflicts huge economic losses to the swine industry worldwide. To meet the pressing need of developing a safe and cost-efficient PED maternal vaccine, we generated three PED subunit vaccine candidates, using recombined Salmonella flagellin (rSF) as a mucosal molecular adjuvant. Domain D3 in rSF was replaced with COE domain of PEDV to generate rSF-COE-3D. COE fused to the flanking C'/N' terminal of rSF yielded rSF-COE-C and rSF-COE-N...
February 6, 2018: Vaccine
Luz Maria Vilca, Cristina Martínez, Miriam Burballa, Magda Campins
Objective Maternal care providers (MCPs), obstetrician-gynaecologists and midwives are uniquely placed to increase maternal vaccination acceptance. We aimed to assess their knowledge, attitudes and practices regarding influenza and pertussis vaccination during pregnancy. Methods We conducted an online survey among MCPs working at "Attention to Sexual and Reproductive Health" (ASSIR) Units in Catalonia region. The survey included questions about current recommendations of influenza and pertussis immunization during pregnancy, reasons for not routinely recommending vaccination and several strategies to increase vaccination uptake...
February 7, 2018: Maternal and Child Health Journal
Sushena Krishnaswamy, Euan M Wallace, Jim Buttery, Michelle L Giles
Maternal vaccination is a safe and effective strategy to reduce maternal and neonatal morbidity and mortality from pertussis and influenza. However, despite recommendations for maternal vaccination since 2010, uptake remains suboptimal. Barriers to uptake have been studied widely and include lack of integration of vaccination into routine pregnancy care and access to vaccination services. Standing orders for administration of vaccines without the need for a physician review or prescription have been demonstrated to improve uptake as part of multi-model interventions to increase antenatal influenza and post-partum pertussis vaccination...
January 30, 2018: Vaccine
Martin T Jepsen, Ramona Trebbien, Hanne Dorthe Emborg, Tyra G Krause, Kristian Schønning, Marianne Voldstedlund, Jens Nielsen, Thea K Fischer
For future decisions on respiratory syncytial virus (RSV)-vaccination strategies and implementation into national immunisation-programmes, we used national registry data (hospitalisation, microbiology and vital statistics) to determine the age-specific incidence and direct medical costs of annual RSV-associated admissions in children < 5 years-old for the period of 2010-2015. We identified ca 2,500 RSV-associated hospitalisations annually amounting to total direct medical-costs of ca EUR 4.1 million per year...
January 2018: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
Sushena Krishnaswamy, Shamendri Thalpawila, Megan Halliday, Euan M Wallace, Jim Buttery, Michelle Giles
No abstract text is available yet for this article.
January 31, 2018: Australian and New Zealand Journal of Public Health
Monica Fabbrini, Fabio Rigat, Giovanna Tuscano, Emiliano Chiarot, Gilbert Donders, Roland Devlieger, Sara Filippini, Elisabetta Frigimelica, Pietro Forte, Frederick Wittke, Scott A Halperin, Karen Slobod, Guido Grandi, Immaculada Margarit
OBJECTIVES: The main aim of this exploratory study was to evaluate functional activity of antibodies elicited by a maternal Group B Streptococcus (GBS) investigational vaccine composed of capsular polysaccharides Ia, Ib, and III conjugated to genetically detoxified Diphtheria toxin CRM197. The second objective was to investigate the relationship between serotype-specific IgG concentrations and functional activity in maternal and cord sera. METHODS: Maternal and cord sera collected at baseline and at delivery from vaccine and placebo recipients during a double-blind placebo-controlled Phase II study (www...
January 29, 2018: Journal of Infection
Joshua A Eudailey, Maria L Dennis, Morgan E Parker, Bonnie L Phillips, Tori N Huffman, Camden P Bay, Michael G Hudgens, Roger W Wiseman, Justin J Pollara, Genevieve G Fouda, Guido Ferrari, David J Pickup, Pamela A Kozlowski, Koen K A Van Rompay, Kristina De Paris, Sallie R Permar
Mother-to-child transmission (MTCT) of human immunodeficiency virus type 1 (HIV-1) contributes to an estimated 150,000 new infections annually. Maternal vaccination has proven safe and effective at mitigating the impact of other neonatal pathogens and is one avenue toward generating the potentially protective immune responses necessary to inhibit HIV-1 infection of infants through breastfeeding. In the present study, we tested the efficacy of a maternal vaccine regimen consisting of a modified vaccinia virus Ankara (MVA) 1086...
January 2018: MSphere
Parul Kapil, James F Papin, Roman F Wolf, Lindsey I Zimmerman, Leslie D Wagner, Tod J Merkel
Background: Bordetella pertussis is a human pathogen responsible for serious respiratory illness. The disease is most severe in infants too young to be vaccinated with most hospitalizations and deaths occurring within this age group. The Advisory Committee on Immunization Practices recommended immunization of pregnant women to protect infants from birth until their first vaccination at six to eight weeks of age. We previously demonstrated that maternal vaccination with licensed acellular pertussis vaccines protected newborn baboons from disease...
January 15, 2018: Journal of Infectious Diseases
Sallie R Permar, Mark R Schleiss, Stanley A Plotkin
Human cytomegalovirus (HCMV) is the most common congenitally transmitted pathogen worldwide, impacting an estimated 1 million newborns annually. Congenital HCMV (cCMV) infection is a major global contributor to long-term neurologic deficits, including deafness, microcephaly, neurodevelopmental delay, as well as fetal loss and occasional infant mortality. Accordingly, a maternal vaccine to prevent cCMV continues to be a top public health priority. Nevertheless, we remain without a licensed vaccine. Maternal immunity provides partial protection, as the risk of vertical HCMV transmission from chronically infected mothers is reduced compared to settings in which the mother is newly infected during pregnancy...
January 17, 2018: Journal of Virology
Shabir A Madhi, Luis M Rivera, Xavier Sáez-Llorens, Clara Menéndez, Nazira Carrim-Ganey, Mark F Cotton, Darren Katzman, Mariëtha M Luttig, Rosalba Candelario, Sherryl Baker, Mahua Roychoudhury
BACKGROUND: The successful implementation of maternal vaccination relies on results of clinical trials, considering the prenatal and postnatal attendance at selected healthcare institutions. This study evaluated factors influencing maternal/infant access to healthcare facilities to identify potential barriers to participation in future clinical trials on maternal vaccination. METHODS: In this prospective, multi-centre, observational study, pregnant women (N = 3243) were enrolled at ten sites across Panama, the Dominican Republic, South Africa, and Mozambique between 2012 and 2014...
January 15, 2018: BMC Pregnancy and Childbirth
Cynthia Abraham, Michael Pichichero, Jesse Eisenberg, Sonali Singh
OBJECTIVE: To compare pertussis antibody concentrations in maternal venous serum (at the time of delivery) and umbilical cord arterial serum among women vaccinated with the tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis (Tdap) vaccine from either 27-30 6/7 weeks of gestation or from 31-35 6/7 weeks of gestation. METHODS: We conducted a prospective cohort study of pregnant women divided into two groups based on when Tdap was administered: 27-30 6/7 weeks of gestation and 31-35 6/7 weeks of gestation...
February 2018: Obstetrics and Gynecology
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
Paula M Frew, Laura A Randall, Fauzia Malik, Rupali Lamaye, Andrew Wilson, Sean T O'Leary, Daniel Salmon, Meghan Donnelly, Kevin Ault, Matthew Z Dudley, Vincent L Fenimore, Saad B Omer
Pregnancy is an ideal time to communicate with women about vaccines for themselves and their infants, yet maternal immunization rates remain suboptimal. This study aimed to identify clinic, provider, and staff-related attributes and facilitators to be utilized for a comprehensive vaccine intervention in ob-gyn clinical settings. We conducted in-depth interviews with 24 providers, both healthcare providers (e.g., physicians, nurse practitioners, midwives) and practice managers, from urban and suburban ob-gyn practices in Georgia and Colorado about their immunization attitudes, practices, and patient experiences...
January 9, 2018: Human Vaccines & Immunotherapeutics
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