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Pneumococcal vaccine

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https://www.readbyqxmd.com/read/28344805/utilization-of-cholera-toxin-b-as-a-mucosal-adjuvant-elicits-antibody-mediated-protection-against-s-pneumoniae-infection-in-mice
#1
Kari Wiedinger, Daniel Pinho, Constantine Bitsaktsis
BACKGOUND: The introduction of the pneumococcal conjugate and polysaccharide vaccines have been valuable tools for combating invasive pneumococcal infection in children and healthy adults. Despite the available vaccination strategies, pneumococcal pneumonia and associated diseases continue to cause substantial morbidity and mortality, particularly in individuals with chronic disease and ageing populations. Next-generation pneumococcal vaccines will need to be highly immunogenic across patient populations providing both mucosal and systemic protective immunity...
February 2017: Therapeutic Advances in Vaccines
https://www.readbyqxmd.com/read/28343777/neisseria-meningitidis-nasopharyngeal-carriage-during-the-hajj-a-cohort-study-evaluating-the-need-for-ciprofloxacin-prophylaxis
#2
Ziad A Memish, Jaffar A Al-Tawfiq, Malak Almasri, Esam I Azhar, Muhammad Yasir, Muneera S Al-Saeed, Huda Ben Helaby, Ray Borrow, Abdulhafeez Turkistani, Abdallah Assiri
BACKGROUND: The annual Muslim pilgrimage has the potential of increase risk for acquisition of Neisseria meningitidis. Here, we evaluate the Hajj impact on the prevalence of N. meningitidis carriage in a paired and non-paired cohort of pilgrims. Secondary objectives were to calculate the compliance with recommended vaccination. METHODS: This is a prospective paired (arriving and departing), non-paired arriving and non-paired departing cohort study with the collection of nasopharyngeal samples at the start and the end of the Hajj...
March 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28343775/lower-vaccine-uptake-amongst-older-individuals-living-alone-a-systematic-review-and-meta-analysis-of-social-determinants-of-vaccine-uptake
#3
REVIEW
Anu Jain, A J van Hoek, Delia Boccia, Sara L Thomas
INTRODUCTION: Vaccination is a key intervention to reduce infectious disease mortality and morbidity amongst older individuals. Identifying social factors for vaccine uptake enables targeted interventions to reduce health inequalities. OBJECTIVE: To systematically appraise and quantify social factors associated with vaccine uptake amongst individuals aged ≥60years from Europe. METHODS: We searched Medline and Embase from inception to 24/02/2016...
March 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28342668/the-herd-effects-of-infant-pcv7-pcv13-sequential-implementation-on-adult-invasive-pneumococcal-disease-six-years-post-implementation-a-nationwide-study-in-israel
#4
Gili Regev-Yochay, Michal Katzir, Jacob Strahilevitz, Galia Rahav, Talya Finn, Dan Miron, Yasmin Maor, Bibiana Chazan, Yehudith Schindler, Ron Dagan
BACKGROUND: Introduction of pneumococcal conjugate vaccine (PCV) has nearly eliminated vaccine-type (VT) invasive pneumococcal disease (IPD) in children, yet the reported resulting reduction of adult IPD is variable. We present the indirect impact of sequential PCV7/PCV13 implementation in Israel on adult IPD. METHODS: An ongoing nationwide active surveillance was initiated on July 2009 when PCV7 was implemented (with Catch-up). PCV7 was gradually replaced by PCV13 since November 2010...
March 22, 2017: Vaccine
https://www.readbyqxmd.com/read/28339727/rapid-decrease-in-rates-of-hospitalization-resulting-from-invasive-pneumococcal-disease-and-community-acquired-pneumonia-in-children-aged-60-months-after-13-valent-pneumococcal-conjugate-vaccine-introduction-in-argentina
#5
Eduardo L López, Eduardo Glatstein, Gustavo C Ezcurra, Marisa Iacono, Eduardo Teplitz, Analía V Garnero, Daniela L Lazzarini, Miryan Vázquez, María M Contrini
Background.: In January 2012, Argentina included universal pneumococcal vaccination in the routine childhood vaccination program using a 13-valent pneumococcal conjugate vaccine (PCV13). A 2 + 1 schedule (2 doses in the first year of life and a booster dose at 12 months of age) in children aged <2 years and 2-dose catch-up immunization in children aged 13 to 24 months was administered during the first year of vaccine introduction. The purpose of this study was to assess the burdens of invasive pneumococcal disease (IPD) and/or community-acquired pneumonia (CAP) in hospitalized children younger than 5 years during the first 2 years of the program compared to those in the prevaccination period in our setting...
February 23, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28330602/the-pneumococcal-alpha-glycerophosphate-oxidase-enhances-nasopharyngeal-colonization-through-binding-to-host-glycoconjugates
#6
Layla K Mahdi, Melanie A Higgins, Christopher J Day, Joe Tiralongo, Lauren E Hartley-Tassell, Michael P Jennings, David L Gordon, Adrienne W Paton, James C Paton, Abiodun D Ogunniyi
Streptococcus pneumoniae (the pneumococcus) is a major human pathogen, causing a broad spectrum of diseases including otitis media, pneumonia, bacteraemia and meningitis. Here we examined the role of a potential pneumococcal meningitis vaccine antigen, alpha-glycerophosphate oxidase (SpGlpO), in nasopharyngeal colonization. We found that serotype 4 and serotype 6A strains deficient in SpGlpO have significantly reduced capacity to colonize the nasopharynx of mice, and were significantly defective in adherence to human nasopharyngeal carcinoma cells in vitro...
March 3, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28329831/racial-ethnic-disparities-in-influenza-and-pneumococcal-vaccinations-among-nursing-home-residents-a-systematic-review
#7
Jasmine L Travers, Krista L Schroeder, Thomas E Blaylock, Patricia W Stone
This systematic review analyzes research examining racial/ethnic disparities in influenza and pneumococcal vaccination coverage between White and racial/ethnic minority (Black and Hispanic) nursing home residents. A review of the literature for years 1966-2014 using Medline, Web of Science, and PubMed was conducted. The Epidemiological Appraisal Instrument was used to appraise the quality of the 13 included studies. Overall, articles were strong in reporting and data analysis, but weak in sample selection and measurement quality...
January 21, 2017: Gerontologist
https://www.readbyqxmd.com/read/28318767/immunogenicity-and-safety-of-concomitant-administration-of-meningococcal-serogroup-b-4cmenb-and-serogroup-c-menc-crm-vaccines-in-infants-a-phase-3b-randomized-controlled-trial
#8
Marco Aurelio P Safadi, Federico Martinon-Torres, Lily Yin Weckx, Edson Duarte Moreira, Eduardo Jorge da Fonseca Lima, Ilhem Mensi, Marco Calabresi, Daniela Toneatto
BACKGROUND: After implementation of routine infant MenC vaccination, MenB remains a serious cause of meningococcal disease, yet to be targeted by vaccination programs in several countries. This study (NCT01339923) investigated the immunogenicity and safety of MenC CRM-conjugated vaccine (MenC-CRM) concomitantly administered with MenB vaccine (4CMenB). METHODS: Infants (N=251) were randomised 1:1 to receive 4CMenB and MenC-CRM (Group 1) or MenC-CRM alone (Group 2) at 3 and 5months (M3, M5) and a booster at 12months of age (M12), and pneumococcal vaccine at M3, M5, M7, M12...
March 15, 2017: Vaccine
https://www.readbyqxmd.com/read/28318766/bacille-calmette-gu%C3%A3-rin-bcg-vaccination-at-birth-and-antibody-responses-to-childhood-vaccines-a-randomised-clinical-trial
#9
Thomas Nørrelykke Nissen, Nina Marie Birk, Gaby Smits, Dorthe Lisbeth Jeppesen, Lone Graff Stensballe, Mihai G Netea, Fiona van der Klis, Christine Stabell Benn, Ole Pryds
INTRODUCTION: BCG vaccination has been associated with beneficial non-specific effects on child health. Some immunological studies have reported heterologous effects of vaccines on antibody responses to heterologous vaccines. Within a randomised clinical trial of Bacille Calmette-Guérin (BCG) vaccination at birth, The Danish Calmette Study, we investigated the effect of BCG at birth on the antibody response to the three routine vaccines against DiTeKiPol/Act-Hib and Prevenar 13 in a subgroup of participants...
March 15, 2017: Vaccine
https://www.readbyqxmd.com/read/28318472/antimicrobial-resistance-penicillin-binding-protein-sequences-and-pilus-islet-carriage-in-relation-to-clonal-evolution-of-streptococcus-pneumoniae-serotype-19a-in-russia-2002-2013
#10
N Mayanskiy, T Savinova, N Alyabieva, O Ponomarenko, E Brzhozovskaya, A Lazareva, L Katosova, R Kozlov
Clonal changes of serotype 19A pneumococci have been appreciated in conjunction with growing prevalence of this serotype after implementation of the seven-valent pneumococcal conjugate vaccine (PCV7). In the present study, we characterized serotype 19A pneumococci collected in Russia within a decade preceding the implementation of PCV vaccination and described their clonal evolution. We retrospectively analyzed non-invasive serotype 19A isolates collected in 2002-2013. All isolates were subjected to multilocus sequence typing, antimicrobial susceptibility testing, determination of macrolide resistance genotype, molecular detection of pilus islet (PI) carriage, sequencing of penicillin-binding protein (PBP) genes...
March 20, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28318182/pneumococcal-meningitis-in-cantabria-spain-in-the-pneumococcal-conjugate-vaccine-era-2001-2015
#11
Esther González-Escartín, Itziar Angulo López, Elsa Ots Ruiz, Luis Martínez-Martínez, María J Cabero Pérez
OBJECTIVE: To analyze the characteristics of pneumococcal meningitis in children ≤ 14 years old following the market introduction of pneumococcal conjugate vaccines in our community. METHODS: Retrospective study of pneumococcal meningitis cases with a two-period analysis: pre-13-valent pneumococcal conjugate vaccine (PCV13) (2001-2010) and post-PCV13 (2010-2015). Patient demographic and clinical data, and microbiological data were collected. RESULTS: Eighteen cases were diagnosed...
April 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28303826/prevalence-of-pneumococcal-serotypes-in-adults-%C3%A2-50-years-of-age
#12
Chand Wattal, Neeraj Goel, S P Byotra
CONTEXT: Currently, majority of studies on antibiotic resistance and serotype prevalence in Streptococcus pneumoniae are in paediatric population and there is limited epidemiologic data pertaining to elderly Indian population. AIMS: This study was undertaken to assess antibiotic resistance pattern and the coverage of the polysaccharide vaccine 23 (PPV23) in the elderly population. SETTINGS AND DESIGN: This was a prospective 2-year pneumococcal surveillance study in patients with community-acquired pneumococcal infections of ≥50 years' age group on fifty isolates of S...
January 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28302673/pneumococcal-vaccine-response-after-exposure-to-parasites-in-utero-in-infancy-or-mid-childhood
#13
Monica Nayakwadi Singer, Claire Heath, Jackson Muinde, Virginia Gildengorin, Francis M Mutuku, David Vu, Dunstan Mukoko, Christopher L King, Indu J Malhotra, Charles H King, A Desirée LaBeaud
BACKGROUND AND OBJECTIVE: Streptococcus pneumoniae is a leading cause of mortality before age 5, but few studies examine details of childhood response to pneumococcal vaccine in less-developed settings. Although malnutrition, HIV, and concurrent infections can impair response, evidence suggests that chronic parasitic infections can also contribute to poor vaccination results. The objective of this study was to determine whether response to pneumococcal vaccine varied among children either exposed to parasitic infections in utero, previously infected in infancy, or infected at the time of immunization...
March 16, 2017: Pediatrics
https://www.readbyqxmd.com/read/28302496/community-acquired-pneumococcal-pneumonia-in-virologically-suppressed-hiv-infected-adult-patients-a-matched-case-control-study
#14
Catia Cillóniz, Antoni Torres, Christian Manzardo, Albert Gabarrús, Juan Ambrosioni, Adriana Salazar, Felipe García, Adrián Ceccato, Josep Mensa, Jorge Puig de la Bella Casa, Asunción Moreno, Jose M Miró
BACKGROUND: The study aimed to investigate whether the clinical presentations and outcomes (length-of-stay (LOS), intensive care unit (ICU) admission and 30-day mortality) of pneumococcal pneumonia in virologically suppressed HIV-infected patients on ART with a CD4+ T cell count >350 cells/mm(3) are comparable to those seen in non-HIV-infected patients, using a case-control design. METHODS: A case-control study was carried out in Hospital Clinic, Barcelona, Spain (2001-2016)...
March 13, 2017: Chest
https://www.readbyqxmd.com/read/28300793/-estimates-of-target-population-for-pneumococcal-vaccination-in-people-over-50-years-in-catalonia-and-spain
#15
Angel Vila-Córcoles, Olga Ochoa-Gondar, Eva Satué, Cinta de Diego, Marc Vila-Rovira, Manel Jariod
OBJECTIVE: Published data about prevalence of distinct risk condictions for pneumococcal disease is scarce. This study investigated the prevalence of distinct risk conditions for pneumococal disease in Catalonian adults and stimated the potential size of target population for pneumococcal vaccination in Catalonia and Spain. METHODS: Cross-sectional population-based study that included 2,033,465 individuals older than 49 years-old assigned to the Catalonian Health Institute (Catalonia, Spain) at 01/01/2015...
March 15, 2017: Revista Española de Salud Pública
https://www.readbyqxmd.com/read/28300529/sex-differences-in-invasive-pneumococcal-disease-and-the-impact-of-pneumococcal-conjugate-vaccination-in-the-netherlands-2004-to-2015
#16
Gertjan H J Wagenvoort, Elisabeth A M Sanders, Bart J Vlaminckx, Hester E de Melker, Arie van der Ende, Mirjam J Knol
Implementation of pneumococcal conjugate vaccines in the Netherlands (PCV7 in 2006 and PCV10 in 2011) for infants caused a shift in serotypes in invasive pneumococcal disease (IPD). We explored sex differences in serotype-specific IPD incidence before and after vaccine introduction. Incidences in the pre-PCV7 (June 2004-May 2006), post-PCV7 (June 2008-May 2011) and post-PCV10 period (June 2013-May 2015), stratified by age, were compared. Incidence was higher in men for all age groups (overall in men: 16.7, 15...
March 9, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28296367/-burden-of-hospitalization-for-pneumonia-in-a-spanish-tertiary-hospital-period-2009-2014
#17
Miguel López-Gobernado, Alberto Pérez-Rubio, Eva López-García, Agustín Mayo-Iscar, José María Eiros
BACKGROUND: The aim of this paper is to estimate the burden of hospitalization for community-acquired pneumonia and pneumococcal pneumonia at a tertiary level hospital in the Spanish National Health System. METHODS: A retrospective study which compiles data from the Minimum Data Set using clinical codes of the International Code of Diseases, as well as the hospitalization rate index per thousand inhabitants, the hospitalization rate per thousand population, mortality and fatality rate, using as denominator the demographic data of the population of the Health Area...
March 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28292980/streptococcus-pneumoniae-transmission-is-blocked-by-type-specific-immunity-in-an-infant-mouse-model
#18
Tonia Zangari, Yang Wang, Jeffrey N Weiser
Epidemiological studies on Streptococcus pneumoniae show that rates of carriage are highest in early childhood and that the major benefit of the pneumococcal conjugate vaccine (PCV) is a reduction in the incidence of nasopharyngeal colonization through decreased transmission within a population. In this study, we sought to understand how anti-S. pneumoniae immunity affects nasal shedding of bacteria, the limiting step in experimental pneumococcal transmission. Using an infant mouse model, we examined the role of immunity (passed from mother to pup) on shedding and within-litter transmission of S...
March 14, 2017: MBio
https://www.readbyqxmd.com/read/28292280/the-impact-of-community-acquired-pneumonia-on-the-health-related-quality-of-life-in-elderly
#19
Marie-Josée J Mangen, Susanne M Huijts, Marc J M Bonten, G Ardine de Wit
BACKGROUND: The sustained health-related quality-of-life of patients surviving community-acquired pneumonia has not been accurately quantified. The aim of the current study was to quantify differences in health-related quality-of-life of community-dwelling elderly with and without community-acquired pneumonia during a 12-month follow-up period. METHODS: In a matched cohort study design, nested in a prospective randomized double-blind placebo-controlled trial on the efficacy of the 13-valent pneumococcal vaccine in community-dwelling persons of ≥65 years, health-related quality-of-life was assessed in 562 subjects hospitalized with suspected community-acquired pneumonia (i...
March 14, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28290951/pneumonia-at-marine-corps-recruit-depots-current-trends-in-ambulatory-encounters-and-inpatient-discharges
#20
Kristen Rossi, Gosia Nowak, Asha Jindal Riegodedios
BACKGROUND: Acute respiratory infections are recognized as a significant source of morbidity for military populations, particularly for recruits. This analysis aims to describe the pneumonia burden at Marine Corps Recruit Depots (MCRD) in Parris Island and San Diego during 2007-2014, as these two depots maintain noteworthy comparisons in vaccine and prophylaxis policies. First, both depots reinstated the adenovirus vaccine in October 2011. Second, San Diego provides the pneumococcal polysaccharide vaccine to all recruits within the first 2 days of arrival, although Parris Island does not routinely vaccinate for Streptococcus pneumoniae...
March 2017: Military Medicine
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