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Pertussis vaccine

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https://www.readbyqxmd.com/read/28222999/effect-of-stepwise-perinatal-immunization-education-a-cluster-randomized-controlled-trial
#1
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/28219454/the-characterization-of-bordetella-pertussis-strains-isolated-in-the-central-western-region-of-brazil-suggests-the-selection-of-a-specific-genetic-profile-during-2012-2014-outbreaks
#2
E L Rocha, D Leite, C H Camargo, L M Martins, R S N Silva, V P Martins, T A Campos
Pertussis is a worldwide acute respiratory disease caused by the bacterium Bordetella pertussis. Despite high vaccine coverage, the bacterium continues to circulate in populations and is still one of the most common vaccine-preventable diseases. In Brazil, pertussis incidence has presented a significant decrease since 1990 but since 2011 a sudden increase in incidence has been observed. Thus, the aim of this study was to perform a molecular epidemiological characterization of B. pertussis strains isolated in the Central-Western region (specifically in Distrito Federal) of Brazil from August 2012 to August 2014...
February 21, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28216190/evaluation-of-two-vaccine-education-interventions-to-improve-pertussis-vaccination-among-pregnant-african-american-women-a-randomized-controlled-trial
#3
Jennifer L Kriss, Paula M Frew, Marielysse Cortes, Fauzia A Malik, Allison T Chamberlain, Katherine Seib, Lisa Flowers, Kevin A Ault, Penelope P Howards, Walter A Orenstein, Saad B Omer
BACKGROUND: Vaccination coverage with tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis (Tdap) vaccine in pregnancy or immediately postpartum has been low. Limited data exist on rigorously evaluated interventions to increase maternal vaccination, including Tdap. Tailored messaging based on the Elaboration Likelihood Model (ELM) framework has been successful in improving uptake of some public health interventions. We evaluated the effect of two ELM-based vaccine educational interventions on Tdap vaccination among pregnant African American women, a group of women who tend to have lower vaccine uptake compared with other groups...
February 16, 2017: Vaccine
https://www.readbyqxmd.com/read/28214181/-adult-immunisation-general-points-hot-topics-and-perspectives
#4
P Loubet, O Launay
Vaccination in immunocompetent adult mainly concerns booster vaccination against diphtheria, tetanus, polio and pertussis. Some chronic diseases may also require the achievement of pneumococcal and influenza vaccines. In addition, from the age of 65, annual influenza vaccination as well as one dose of a live attenuated shingles vaccine between 64 and 75 years are recommended. Immunocompromised adults, due to the increased risk of serious infections responsible of significant morbidity and mortality, are particularly concerned by vaccination...
February 14, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28209678/prophylactic-antipyretics-for-prevention-of-febrile-seizures-following-vaccination
#5
Nicholas Monfries, Ran D Goldman
Question Parents of a 12-month-old boy are bringing their son in to my family practice clinic for his well-baby visit. As the infant is due for his 12-month vaccine series, the parents are concerned after hearing about the association between certain vaccinations and an increased risk of febrile seizures, and are wondering if they should administer prophylactic antipyretics to decrease the risk of febrile seizure. What vaccinations are associated with increased risk of febrile seizure, and is there evidence supporting prophylactic administration of antipyretics to prevent febrile seizures? Answer Vaccinations associated with increased risk of febrile seizure include the following: the measles-mumps-rubella vaccine; the measles-mumps-rubella-varicella vaccine; the combined diphtheria, tetanus, acellular pertussis, polio, and Haemophilus influenzae type b vaccine; the whole-cell pertussis vaccine; the 7-valent pneumococcal conjugate vaccine; and concomitant administration of the trivalent inactivated influenza vaccine with either the 7-valent pneumococcal conjugate vaccine or the diphtheria, tetanus, and acellular pertussis vaccine...
February 2017: Canadian Family Physician Médecin de Famille Canadien
https://www.readbyqxmd.com/read/28196735/gtl001-and-bivalent-cyaa-based-therapeutic-vaccine-strategies-against-human-papillomavirus-and-other-tumor-associated-antigens-induce-effector-and-memory-t-cell-responses-that-inhibit-tumor-growth
#6
Michaël Esquerré, Marie Momot, Anne Goubier, Christophe Gonindard, Stéphane Leung-Theung-Long, Yolande Misseri, Marie-Christine Bissery
GTL001 is a bivalent therapeutic vaccine containing human papillomavirus (HPV) 16 and HPV18 E7 proteins inserted in the Bordetella pertussis adenylate cyclase (CyaA) vector intended to prevent cervical cancer in HPV-infected women with normal cervical cytology or mild abnormalities. To be effective, therapeutic cervical cancer vaccines should induce both a T cell-mediated effector response against HPV-infected cells and a robust CD8(+) T-cell memory response to prevent potential later infection. We examined the ability of GTL001 and related bivalent CyaA-based vaccines to induce, in parallel, effector and memory CD8(+) T-cell responses to both vaccine antigens...
February 10, 2017: Vaccine
https://www.readbyqxmd.com/read/28191007/antigen-exposure-history-defines-cd8-t-cell-dynamics-and-protection-during-localized-pulmonary-infections
#7
Natalija Van Braeckel-Budimir, Matthew D Martin, Stacey M Hartwig, Kevin L Legge, Vladimir P Badovinac, John T Harty
Unlike systemic infections, little is known about the role of repeated localized infections on (re)shaping pathogen-specific memory CD8 T cell responses. Here, we used primary (1°) and secondary (2°) intranasal influenza virus infections of mice as a model to study intrinsic memory CD8 T cell properties. We show that secondary antigen exposure, relative to a single infection, generates memory CD8 T cell responses of superior magnitude in multiple tissue compartments including blood, spleen, draining lymph nodes, and lung...
2017: Frontiers in Immunology
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
#8
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/28188123/the-introduction-of-diphtheria-tetanus-pertussis-and-oral-polio-vaccine-among-young-infants-in-an-urban-african-community-a-natural-experiment
#9
Søren Wengel Mogensen, Andreas Andersen, Amabelia Rodrigues, Christine S Benn, Peter Aaby
BACKGROUND: We examined the introduction of diphtheria-tetanus-pertussis (DTP) and oral polio vaccine (OPV) in an urban community in Guinea-Bissau in the early 1980s. METHODS: The child population had been followed with 3-monthly nutritional weighing sessions since 1978. From June 1981 DTP and OPV were offered from 3months of age at these sessions. Due to the 3-monthly intervals between sessions, the children were allocated by birthday in a 'natural experiment' to receive vaccinations early or late between 3 and 5months of age...
February 1, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28185740/vaccine-adverse-events-in-a-safety-net-healthcare-system-and-a-managed-care-organization
#10
Komal J Narwaney, Kristin Breslin, Colleen A Ross, Jo Ann Shoup, Kris F Wain, Eric S Weintraub, Michael M McNeil, Simon J Hambidge
BACKGROUND: The Institute of Medicine, in a 2013 report, recommended that the Vaccine Safety Datalink (VSD) expand collaborations to include more diversity in the study population. Kaiser Permanente Colorado (KPCO), an established VSD site, partnered with Denver Health (DH), an integrated safety net healthcare system, to demonstrate the feasibility of integrating DH data within the VSD. Prior to incorporating the data, we examined the identification of specific vaccine associated adverse events (VAEs) in these two distinct healthcare systems...
February 6, 2017: Vaccine
https://www.readbyqxmd.com/read/28183326/the-immune-response-to-6-monthly-versus-annual-standard-dose-inactivated-trivalent-influenza-vaccination-in-older-people-study-protocol-for-a-randomised-clinical-trial
#11
Barnaby Young, Sapna Sadarangani, Haur Sen Yew, Chee Fu Yung, Yee Sin Leo, Mark I-Cheng Chen, Annelies Wilder-Smith
BACKGROUND: The seasonal influenza vaccine is less effective in older people and a single dose is unlikely to provide the year-round protection necessary for tropical climates which have year-round influenza virus activity. This study aims to assess the effect of a trivalent inactivated influenza vaccine (IIV3) booster at 180 days on haemagglutination-inhibition (HI) antibody titres for each of the influenza strains present in the administered vaccine in older people aged 65 years or above in Singapore...
February 10, 2017: Trials
https://www.readbyqxmd.com/read/28179484/increasing-tdap-coverage-among-postpartum-women-a-quality-improvement-intervention
#12
Henry H Bernstein, Mikhaela Monty, Patriot Yang, Amy Cohen
BACKGROUND AND OBJECTIVE: Infants are at greatest risk for severe disease and death from pertussis; most acquire it from household contacts. Centers for Disease Control and Prevention guidelines recommend tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis, adsorbed (Tdap) vaccination for infant caregivers, especially postpartum women who did not receive it during pregnancy. Our objective was to increase the percentage of women receiving Tdap vaccine before postpartum discharge...
February 8, 2017: Pediatrics
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
#13
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/28178054/safety-of-tetanus-diphtheria-and-pertussis-vaccination-during-pregnancy-a-systematic-review
#14
Mark McMillan, Michelle Clarke, Adriana Parrella, Deshayne B Fell, Gayatri Amirthalingam, Helen S Marshall
OBJECTIVE: To assess antenatal, birth, and infant outcomes for pregnant women, fetuses, and infants after antenatal vaccination with any antigen present in combination pertussis vaccines. DATA SOURCES: PubMed, EMBASE, Literature in the Health Sciences in Latin America and the Caribbean, ClinicalTrials.gov, Cochrane Library, and World Health Organization (inception to May 5, 2016). METHODS OF STUDY SELECTION: Studies reporting outcomes for pregnant women, their fetus, or infant after antenatal exposure to either monovalent or combined tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis (Tdap) or inactivated polio vaccines were considered for inclusion...
March 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28177609/fine-epitope-mapping-of-two-antibodies-neutralizing-the-bordetella-adenylate-cyclase-toxin
#15
Xianzhe Wang, James A Stapleton, Justin R Klesmith, Erik L Hewlett, Tim A Whitehead, Jennifer A Maynard
Adenylate cyclase toxin (ACT) is an important B. pertussis virulence factor that is not included in current acellular pertussis vaccines. We previously demonstrated that immunization with the repeat-in-toxin (RTX) domain of ACT elicits neutralizing antibodies in mice and discovered the first two antibodies to neutralize ACT activities by occluding the receptor-binding site. Here, we fully characterized these antibodies and their epitopes. Both antibodies bind ACT with low nanomolar affinity and cross-react with ACT homologs produced by B...
February 8, 2017: Biochemistry
https://www.readbyqxmd.com/read/28168170/tetanus-diphtheria-acellular-pertussis-vaccination-for-adults-an-update
#16
REVIEW
Hyo-Jin Lee, Jung-Hyun Choi
Although tetanus and diphtheria have become rare in developed countries, pertussis is still endemic in some developed countries. These are vaccine-preventable diseases and vaccination for adults is important to prevent the outbreak of disease. Strategies for tetanus, diphtheria, and pertussis vaccines vary from country to country. Each country needs to monitor consistently epidemiology of the diseases and changes vaccination policies accordingly. Recent studies showed that tetanus-diphtheria-acellular pertussis vaccine for adults is effective and safe to prevent pertussis disease in infants...
January 2017: Clinical and Experimental Vaccine Research
https://www.readbyqxmd.com/read/28167784/bordetella-plrsr-regulatory-system-controls-bvgas-activity-and-virulence-in-the-lower-respiratory-tract
#17
M Ashley Bone, Aaron J Wilk, Andrew I Perault, Sara A Marlatt, Erich V Scheller, Rebecca Anthouard, Qing Chen, Scott Stibitz, Peggy A Cotter, Steven M Julio
Bacterial pathogens coordinate virulence using two-component regulatory systems (TCS). The Bordetella virulence gene (BvgAS) phosphorelay-type TCS controls expression of all known protein virulence factor-encoding genes and is considered the "master virulence regulator" in Bordetella pertussis, the causal agent of pertussis, and related organisms, including the broad host range pathogen Bordetella bronchiseptica We recently discovered an additional sensor kinase, PlrS [for persistence in the lower respiratory tract (LRT) sensor], which is required for B...
February 6, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28167667/the-protective-role-of-passively-transferred-maternal-cytokines-against-bordetella-pertussis-infection-in-newborn-piglets
#18
Shokrollah Elahi, David R Thompson, Jill Van Kessel, Lorne A Babiuk, Volker Gerdts
Maternal vaccination represents a potential strategy to protect both the mother and the offspring against life threatening infections. This protective role has mainly been associated with antibodies but the role of cell mediated immunity in particular passively transferred cytokines is not well understood. Herein, using a pertussis model we have demonstrated that immunization of pregnant sows with heat-inactivated bacteria leads to induction of a wide range of cytokines (e.g. TNF-α, IFN-γ, IL-6, IL-8 and IL-12/IL-23p40) in addition to pertussis-specific antibodies...
February 6, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28167525/the-history-of-bordetella-pertussis-genome-evolution-includes-structural-rearrangement
#19
Michael R Weigand, Yanhui Peng, Vladimir Loparev, Dhwani Batra, Katherine E Bowden, Mark Burroughs, Pamela K Cassiday, Jamie K Davis, Taccara Johnson, Phalasy Juieng, Kristen Knipe, Marsenia H Mathis, Andrea M Pruitt, Lori Rowe, Mili Sheth, M Lucia Tondella, Margaret M Williams
: Despite high pertussis vaccine coverage, reported cases of whooping cough (pertussis) have increased over the last decade in the United States and other developed countries. Although Bordetella pertussis is well known for its limited gene sequence variation, recent advances in long-read sequencing technology have begun to reveal genome structural heterogeneity among otherwise indistinguishable isolates, even within geographically or temporally defined epidemics. We have compared rearrangements among complete genome assemblies from 257 B...
February 6, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28167517/the-need-to-optimize-adolescent-immunization
#20
Henry H Bernstein, Joseph A Bocchini
The adolescent period heralds the pediatric patient's transition into adulthood. It is a time of dynamic development during which effective preventive care measures can promote safe behaviors and the development of lifelong health habits. One of the foundations of preventive adolescent health care is timely vaccination, and every visit can be viewed as an opportunity to update and complete an adolescent's immunizations.In the past decade, the adolescent immunization schedule has expanded to include 2 doses of quadrivalent meningococcal conjugate vaccine, 1 dose of tetanus, diphtheria, acellular pertussis, absorbed vaccine, 2 or 3 doses of human papillomavirus vaccine, depending on the child's age, and an annual influenza vaccine...
February 6, 2017: Pediatrics
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