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Pertussis vaccines

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https://www.readbyqxmd.com/read/29029127/antibody-kinetics-and-response-to-routine-vaccinations-in-infants-born-to-women-who-received-an-investigational-trivalent-group-b-streptococcus-polysaccharide-crm197-conjugate-vaccine-during-pregnancy
#1
Shabir A Madhi, Anthonet Koen, Clare L Cutland, Lisa Jose, Niresha Govender, Frederick Wittke, Morounfolu Olugbosi, Ajoke Sobanjo-Ter Meulen, Sherryl Baker, Peter M Dull, Vas Narasimhan, Karen Slobod
Background: Maternal vaccination against group B Streptococcus (GBS) might provide protection against invasive GBS disease in infants. We investigated the kinetics of transplacentally transferred GBS serotype-specific capsular antibodies in the infants and their immune response to diphtheria toxoid and pneumococcal vaccination. Methods: This phase 1b/2, observer-blind, single-center study (NCT01193920) enrolled infants born to women previously randomized (1:1:1:1) to receive either GBS vaccine at dosages of 0...
September 23, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29028938/impact-of-the-us-maternal-tetanus-diphtheria-and-acellular-pertussis-vaccination-program-on-preventing-pertussis-in-infants-2-months-of-age-a-case-control-evaluation
#2
Tami H Skoff, Amy E Blain, James Watt, Karen Scherzinger, Melissa McMahon, Shelley M Zansky, Kathy Kudish, Paul R Cieslak, Melissa Lewis, Nong Shang, Stacey W Martin
Background: Infants aged <1 year are at highest risk for pertussis-related morbidity and mortality. In 2012, Tdap (tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis) vaccine was recommended for women during each pregnancy to protect infants in the first months of life; data on effectiveness of this strategy are currently limited. Methods: We conducted a case-control evaluation among pertussis cases <2 months old with cough onset between 1 January 2011 and 31 December 2014 from 6 US Emerging Infection Program Network states...
September 28, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29026471/pertussis-and-pertussis-like-illness-pediatric-experience-in-oman
#3
Amal Al Maani, Abdullah Al Qayoudhi, Hanan Fawzi Nazir, Heba Omar, Amina Al Jardani, Zakariya Al Muharrmi, Yasser Wali
OBJECTIVES: A resurgence of pertussis or whooping cough has been observed worldwide despite broad vaccination coverage. Pertussis like illness (PLI) refers to a clinical syndrome compatible with pertussis infection but lacking laboratory confirmation or an epidemiological link to a confirmed case. Our study aimed to estimate the contribution of Bordetella pertussis infection and identifying predictors of its diagnosis in a cohort of children with PLI. METHODS: Demographic and clinical information were retrospectively collected from the medical records of children < 13 years old and hospitalized for PLI in two pediatric units in Oman from 1 January 2012 to 31 December 2013...
September 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/29025851/investigating-bordetella-pertussis-colonisation-and-immunity-protocol-for-an-inpatient-controlled-human-infection-model
#4
Hans de Graaf, Diane Gbesemete, Andrew R Gorringe, Dimitri A Diavatopoulos, Kent E Kester, Saul N Faust, Robert C Read
INTRODUCTION: We summarise an ethically approved protocol for the development of an experimental human challenge colonisation model. Globally Bordetella pertussis is one of the leading causes of vaccine-preventable death. Many countries have replaced whole cell vaccines with acellular vaccines over the last 20 years during which pertussis appears to be resurgent in a number of countries in the developed world that boast high immunisation coverage. The acellular vaccine provides relatively short-lived immunity and, in contrast to whole cell vaccines, may be less effective against colonisation and subsequent transmission...
October 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/29023430/vaccination-coverage-for-selected-vaccines-exemption-rates-and-provisional-enrollment-among-children-in-kindergarten-united-states-2016-17-school-year
#5
Ranee Seither, Kayla Calhoun, Erica J Street, Jenelle Mellerson, Cynthia L Knighton, Ashley Tippins, J Michael Underwood
State and local school vaccination requirements help protect students and communities against vaccine-preventable diseases (1). CDC reports vaccination coverage and exemption data for children attending kindergarten (kindergartners) collected by federally funded immunization programs in the United States.* The typical age range for kindergartners is 4-6 years. Although vaccination requirements vary by state (the District of Columbia [DC] is counted as a state in this report.), the Advisory Committee on Immunization Practices recommends that children in this age range have received, among other vaccinations, 5 doses of diphtheria, tetanus, and acellular pertussis vaccine (DTaP), 2 doses of measles, mumps, and rubella vaccine (MMR), and 2 doses of varicella vaccine (2)...
October 13, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29018122/the-bvgas-regulon-of-bordetella-pertussis
#6
Kyung Moon, Richard P Bonocora, David D Kim, Qing Chen, Joseph T Wade, Scott Stibitz, Deborah M Hinton
Nearly all virulence factors in Bordetella pertussis are activated by a master two-component system, BvgAS, composed of the sensor kinase BvgS and the response regulator BvgA. When BvgS is active, BvgA is phosphorylated (BvgA~P), and virulence-activated genes (vags) are expressed [Bvg(+) mode]. When BvgS is inactive and BvgA is not phosphorylated, virulence-repressed genes (vrgs) are induced [Bvg(-) mode]. Here, we have used transcriptome sequencing (RNA-seq) and reverse transcription-quantitative PCR (RT-qPCR) to define the BvgAS-dependent regulon of B...
October 10, 2017: MBio
https://www.readbyqxmd.com/read/29017702/collaborative-study-on-saccharide-quantification-of-the-haemophilus-influenzae-type-b-component-in-liquid-vaccine-presentations
#7
U Rosskopf, A Daas, E Terao, C von Hunolstein
Before release onto the market, it must be demonstrated that the total and free polysaccharide (poly ribosyl-ribitol-phosphate, PRP) content of Haemophilus influenzae type b (Hib) vaccine complies with requirements. However, manufacturers use different methods to assay PRP content: a national control laboratory must establish and validate the relevant manufacturer methodology before using it to determine PRP content. An international study was organised by the World Health Organization (WHO), in collaboration with the Biological Standardisation Programme (BSP) of the Council of Europe/European Directorate for the Quality of Medicines & HealthCare (EDQM) and of the European Union Commission, to verify the suitability of a single method for determining PRP content in liquid pentavalent vaccines (DTwP-HepB-Hib) containing a whole-cell pertussis component...
2017: Pharmeuropa Bio & Scientific Notes
https://www.readbyqxmd.com/read/29017283/reduced-severity-of-pertussis-in-persons-with-age-appropriate-pertussis-vaccination-united-states-2010-2012
#8
Lucy A McNamara, Tami Skoff, Amanda Faulkner, Lisa Miller, Kathy Kudish, Cynthia Kenyon, Marisa Bargsten, Shelley Zansky, Amy D Sullivan, Stacey Martin, Elizabeth Briere
Background: In 2012, >48000 pertussis cases were reported in the United States. Many cases occurred in vaccinated persons, showing that pertussis vaccination does not prevent all pertussis cases. However, pertussis vaccination may have an impact on disease severity. Methods: We analyzed data on probable and confirmed pertussis cases reported through Enhanced Pertussis Surveillance (Emerging Infections Program Network) between 2010 and 2012. Surveillance data were collected through physician and patient interview and vaccine registries...
September 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28993360/pertussis-manifesting-as-recurrent-cough-and-wheezing-in-an-incompletely-vaccinated-8-month-old-infant
#9
Dimitri Poddighe, Marco Giuseppe Nedbal, Nunzia Mastricci, Paola Bruni
Pertussis is an acute respiratory illness caused by Bordetella pertussis, showing a re-emergence in developed countries. However, it is probably under-recognised and, as a consequence, its burden is underestimated. Here, we report the clinical case of an infant diagnosed with pertussis, despite a regular schedule of vaccination, thanks to a careful clinical evaluation, including personal and family history. In addition to pointing the attention on a precocious diagnosis of atypical cases of pertussis, this case report further raised the issue of modifying and/or implementing the immunisation strategy, considering the ongoing changes of social (eg, immigration) and sanitary (eg, vaccine coverage) background in Italy and all over the Europe...
October 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28984566/pertussis-associated-persistent-cough-in-previously-vaccinated-children
#10
Nicola Principi, David Litt, Leonardo Terranova, Marina Picca, Concetta Malvaso, Cettina Vitale, Norman K Fry, Susanna Esposito, The Italian Pertussis Group For Persistent Cough In Children
To evaluate the role of Bordetella pertussis infection, 96 otherwise healthy 7- to 17-year-old subjects who were suffering from a cough lasting from 2 to 8 weeks were prospectively recruited. At enrolment, a nasopharyngeal swab and an oral fluid sample were obtained to search for pertussis infection by the detection of B. pertussis DNA and/or an elevated titre of anti-pertussis toxin IgG. Evidence of pertussis infection was found in 18 (18.7 %; 95 % confidence interval, 11.5-28.0) cases. In 15 cases, the disease occurred despite booster administration...
October 6, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28982358/the-cost-determinants-of-routine-infant-immunization-services-a-meta-regression-analysis-of-six-country-studies
#11
Nicolas A Menzies, Christian Suharlim, Fangli Geng, Zachary J Ward, Logan Brenzel, Stephen C Resch
BACKGROUND: Evidence on immunization costs is a critical input for cost-effectiveness analysis and budgeting, and can describe variation in site-level efficiency. The Expanded Program on Immunization Costing and Financing (EPIC) Project represents the largest investigation of immunization delivery costs, collecting empirical data on routine infant immunization in Benin, Ghana, Honduras, Moldova, Uganda, and Zambia. METHODS: We developed a pooled dataset from individual EPIC country studies (316 sites)...
October 6, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28974408/whooping-cough-surveillance-in-france-in-pediatric-private-practice-in-2006-2015
#12
Nicole Guiso, Corinne Levy, Olivier Romain, Sophie Guillot, Andreas Werner, Marie Charlotte Rondeau, Stéphane Béchet, Robert Cohen
BACKGROUND: Increasing incidence of whooping cough (pertussis) has been reported in many countries, attributed to a switch from whole-cell pertussis-containing vaccine (wPV) to acellular PV (aPV) and circulation of the pertactin non-producing Bordetella pertussis. The present study aimed to estimate the duration of immunity conferred by PVs in children in France with data from an ongoing pediatric ambulatory surveillance of pertussis. METHODS: A total of 64 pediatricians throughout France enrolled children with suspected pertussis...
October 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28971707/a-review-of-haemophilus-influenzae-disease-in-europe-from-2000-2014-challenges-successes-and-the-contribution-of-hexavalent-combination-vaccines
#13
Shuchen Wang, Monica Tafalla, Linda Hanssens, Jan Dolhain
The development of diphtheria-tetanus-acellular pertussis-Haemophilus influenzae type b (Hib) conjugate vaccine combinations culminated with hexavalent vaccines, the largest, most complex vaccine combinations in the immunization calendar. Hexavalent vaccines are used widely in Europe and are co-administered with multiple other recommended vaccines. Hib immunogenicity may reduce when combined with acellular pertussis antigens, or in some co-administrations. We reviewed the epidemiology of H. influenzae disease in Europe aiming to evaluate the current level of Hib control and indirectly assess the effectiveness against Hib of GSK's hexavalent vaccine in 10 countries where it is/has been used almost exclusively...
October 3, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28966622/protection-against-pertussis-in-humans-correlates-to-elevated-serum-antibodies-and-memory-b-cells
#14
Valentina Marcellini, Eva Piano Mortari, Giorgio Fedele, Francesco Gesualdo, Elisabetta Pandolfi, Fabio Midulla, Pasqualina Leone, Paola Stefanelli, Alberto Eugenio Tozzi, Rita Carsetti
Pertussis is a respiratory infection caused by Bordetella pertussis that may be particularly severe and even lethal in the first months of life when infants are still too young to be vaccinated. Adults and adolescents experience mild symptoms and are the source of infection for neonates. Adoptive maternal immunity does not prevent pertussis in the neonate. We compared the specific immune response of mothers of neonates diagnosed with pertussis and mothers of control children. We show that women have pre-existing pertussis-specific antibodies and memory B cells and react against the infection with a recall response increasing the levels specific serum IgG, milk IgA, and the frequency of memory B cells of all isotypes...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28956803/infant-immunization-coverage-in-italy-2000-2016
#15
Carlo Signorelli, Anna Odone, Paola Cella, Stefania Iannazzo, Fortunato D'Ancona, Raniero Guerra
BACKGROUND: In Italy, national-level immunization polices are included in the National Immunization Prevention Plan (PNPV), whose latest edition - 2017-2019 PNPV - was finally approved in February 2017. Coverage rates are a key measure of immunization system performance; it can inform and support national and regional polices' implementation monitoring, as well as measure the impact of interventions aimed at increasing vaccine uptake. METHODS: We collected, analysed and critically interpreted 2000-2016 Italian national infant immunization coverage trends, by different vaccine, target population, and by Region...
July 2017: Annali Dell'Istituto Superiore di Sanità
https://www.readbyqxmd.com/read/28947346/using-the-4-pillars%C3%A2-practice-transformation-program-to-increase-adolescent-human-papillomavirus-meningococcal-tetanus-diphtheria-pertussis-and-influenza-vaccination
#16
Richard K Zimmerman, Jonathan M Raviotta, Mary Patricia Nowalk, Krissy K Moehling, Evelyn Cohen Reis, Sharon G Humiston, Chyongchiou Jeng Lin
OBJECTIVES: To report the results of an intervention using the 4 Pillars™ Practice Transformation Program (4 Pillars™ Program) to increase adolescent vaccinations including human papillomavirus vaccine (HPV) and influenza vaccines, which remain underutilized in this population. STUDY DESIGN: Eleven pediatric and family medicine practices, previously control sites from a randomized controlled cluster trial, with ≥50 adolescent patients participated. The 4 Pillars™ Program was the foundation of the intervention...
October 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28945679/resurgence-of-pertussis-and-emergence-of-the-ptxp3-toxin-promoter-allele-in-south-italy
#17
Daniela Loconsole, Anna Lisa De Robertis, Anna Morea, Angela Metallo, Pier Luigi Lopalco, Maria Chironna
BACKGROUND: Despite universal immunization programs, pertussis remains a major public health concern. This study aimed to describe the pertussis epidemiology in the Puglia region in 2006-2015 and to identify recent polymorphisms in Bordetella pertussis (BP) virulence-associated genes. METHODS: The pertussis cases in 2006-2015 were identified from the National Hospital Discharge Database and the Information System of Infectious Diseases. Samples of pertussis cases in 2014-2016 that were confirmed by the Regional Reference Laboratory were subjected to ptxA, ptxP, and prn gene sequencing and, in 10 cases, multiple-locus variable-number tandem repeat analysis (MLVA)...
September 21, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28932228/pertussis-maternal-immunization-narrowing-the-knowledge-gaps-on-the-duration-of-transferred-protective-immunity-and-on-vaccination-frequency
#18
María Emilia Gaillard, Daniela Bottero, María Eugenia Zurita, Francisco Carriquiriborde, Pablo Martin Aispuro, Erika Bartel, David Sabater-Martínez, María Sol Bravo, Celina Castuma, Daniela Flavia Hozbor
Maternal safety through pertussis vaccination and subsequent maternal-fetal-antibody transfer are well documented, but information on infant protection from pertussis by such antibodies and by subsequent vaccinations is scarce. Since mice are used extensively for maternal-vaccination studies, we adopted that model to narrow those gaps in our understanding of maternal pertussis immunization. Accordingly, we vaccinated female mice with commercial acellular pertussis (aP) vaccine and measured offspring protection against Bordetella pertussis challenge and specific-antibody levels with or without revaccination...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28930529/a-protocol-for-investigating-the-association-of-vaccination-and-anti-nmda-receptor-encephalitis
#19
Hsiuying Wang
Anti-N-methyl-D-aspartate (Anti-NMDA) receptor encephalitis is an acute autoimmune neurological disorder that can be triggered by virus, H1N1/tetanus/diphtheria/pertussis and polio vaccines or by presence of a tumor. The association between anti-NMDA receptor encephalitis and Japanese encephalitis vaccination was examined and a general protocol of phylogenetic method which details the steps and code and an example of its utility is provided. The approach used here is potentially useful for analyzing the relationship between vaccines and diseases...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28930286/molecular-and-cellular-signatures-underlying-superior-immunity-against-bordetella-pertussis-upon-pulmonary-vaccination
#20
R Hm Raeven, J Brummelman, J LA Pennings, L van der Maas, K Helm, W Tilstra, A van der Ark, A Sloots, P van der Ley, W van Eden, W Jiskoot, E van Riet, C Acm van Els, G Fa Kersten, W Gh Han, B Metz
Mucosal immunity is often required for protection against respiratory pathogens but the underlying cellular and molecular mechanisms of induction remain poorly understood. Here, systems vaccinology was used to identify immune signatures after pulmonary or subcutaneous immunization of mice with pertussis outer membrane vesicles. Pulmonary immunization led to improved protection, exclusively induced mucosal immunoglobulin A (IgA) and T helper type 17 (Th17) responses, and in addition evoked elevated systemic immunoglobulin G (IgG) antibody levels, IgG-producing plasma cells, memory B cells, and Th17 cells...
September 20, 2017: Mucosal Immunology
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