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Pneumococcal vaccine

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https://www.readbyqxmd.com/read/29778517/production-and-efficacy-of-a-low-cost-recombinant-pneumococcal-protein-polysaccharide-conjugate-vaccine
#1
Jenny A Herbert, Emily J Kay, Sian E Faustini, Alex Richter, Sherif Abouelhadid, Jon Cuccui, Brendan Wren, Timothy J Mitchell
Streptococcus pneumoniae is the leading cause of bacterial pneumonia. Although this is a vaccine preventable disease, S. pneumoniae still causes over 1 million deaths per year, mainly in children under the age of five. The biggest disease burden is in the developing world, which is mainly due to unavailability of vaccines due to their high costs. Protein polysaccharide conjugate vaccines are given routinely in the developed world to children to induce a protective antibody response against S. pneumoniae. One of these vaccines is Prevnar13, which targets 13 of the 95 known capsular types...
May 16, 2018: Vaccine
https://www.readbyqxmd.com/read/29776921/determining-the-pneumococcal-conjugate-vaccine-coverage-required-for-indirect-protection-against-vaccine-type-pneumococcal-carriage-in-low-and-middle-income-countries-a-protocol-for-a-prospective-observational-study
#2
Jocelyn Chan, Cattram D Nguyen, Jana Y R Lai, Eileen M Dunne, Ross Andrews, Christopher C Blyth, Siddhartha Datta, Kim Fox, Rebecca Ford, Jason Hinds, Sophie La Vincente, Deborah Lehmann, Ruth Lim, Tuya Mungun, Paul N Newton, Rattanaphone Phetsouvanh, Willam S Pomat, Anonh Xeuatvongsa, Claire von Mollendorf, David A B Dance, Catherine Satzke, Kim Muholland, Fiona M Russell
INTRODUCTION: Pneumococcal conjugate vaccines (PCVs) prevent disease through both direct protection of vaccinated individuals and indirect protection of unvaccinated individuals by reducing nasopharyngeal (NP) carriage and transmission of vaccine-type (VT) pneumococci. While the indirect effects of PCV vaccination are well described, the PCV coverage required to achieve the indirect effects is unknown. We will investigate the relationship between PCV coverage and VT carriage among undervaccinated children using hospital-based NP pneumococcal carriage surveillance at three sites in Asia and the Pacific...
May 18, 2018: BMJ Open
https://www.readbyqxmd.com/read/29772472/postintroduction-study-of-cost-effectiveness-of-pneumococcal-vaccine-pcv10-from-public-sector-payer-s-perspective-in-the-state-of-santa-catarina-brazil
#3
Emil Kupek, Ilse Viertel
OBJECTIVES: To evaluate cost effectiveness of 10-valent pneumococcal conjugate vaccine in the routine immunization program for children younger than 5 years in Brazil by a postintroduction study. METHODS: Ecological study of prevaccine (2006-2009) versus postvaccine (2011-2014) period related the changes in mortality rate and hospitalization rate to direct cost of pneumonia treatment from the payer's perspective to estimate the cost effectiveness regarding lives saved, life-years gained, and disability-adjusted life-year for children younger than 5 years in the southern Brazilian state of Santa Catarina...
May 14, 2018: Value in Health Regional Issues
https://www.readbyqxmd.com/read/29771465/universal-pneumococcal-vaccination-provides-marked-indirect-beneficial-effects-through-herd-immunity
#4
EDITORIAL
Matti Korppi
No abstract text is available yet for this article.
May 17, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29769253/effectiveness-of-23-valent-pneumococcal-polysaccharide-vaccine-on-elderly-long-term-cancer-survivors-a-population-based-propensity-score-matched-cohort-study
#5
Wen-Yen Chiou, Moon-Sing Lee, Shih-Kai Hung, Hon-Yi Lin, Yuan-Chen Lo, Feng-Chun Hsu, Shiang-Jiun Tsai, Chung-Yi Li
OBJECTIVE: The Advisory Committee on Immunization Practices in 2012 recommended the 23-valent pneumococcal polysaccharide vaccine (PPSV23) for adults with high risk of pneumonia. However, its effectiveness in cancer survivors has not been investigated. Our aim was to investigate the effectiveness of PPSV23 in these patients. DESIGN: Population-based matched cohort study. SETTING: Claim data were obtained from 1 million people registered with the National Health Insurance Research Database in 1996, and followed to 2010...
May 16, 2018: BMJ Open
https://www.readbyqxmd.com/read/29769176/using-feeding-to-reduce-pain-during-vaccination-of-formula-fed-infants-a-randomised-controlled-trial
#6
Netty G P Bos-Veneman, Marrit Otter, Sijmen A Reijneveld
OBJECTIVES: To assess the effectiveness and potential side effects of formula feeding to reduce pain during vaccination among infants. STUDY DESIGN: In the setting of well-baby clinics we recruited a community-based sample of full-term born infants who were already formula fed by the choice of the parents (n=48, aged 4-10 weeks) and received their first DTaP-IPV-HepB-Hib and pneumococcal vaccinations and randomised them into two groups. To evaluate pain experienced during vaccination we compared infants who drank formula feeding before, during and after vaccination with infants who did not...
May 16, 2018: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/29768458/burden-of-bacterial-meningitis-in-india-preliminary-data-from-a-hospital-based-sentinel-surveillance-network
#7
Yuvaraj Jayaraman, Balaji Veeraraghavan, Girish Kumar Chethrapilly Purushothaman, Bharathy Sukumar, Boopathi Kangusamy, Ambujam Nair Kapoor, Nivedita Gupta, Sanjay Madhav Mehendale
BACKGROUND: Worldwide, acute bacterial meningitis is a major cause of high morbidity and mortality among under five children, particularly in settings where vaccination for H. influenzae type b, S. pneumoniae and N. meningitidis is yet to be introduced in the national immunization programs. Estimation of disease burden of bacterial meningitis associated with these pathogens can guide the policy makers to consider inclusion of these newer vaccines in the immunization programs. A network of hospital based sentinel surveillance was established to generate baseline data on the burden of bacterial meningitis among children aged less than 5 years in India and to provide a platform for impact assessment following introduction of the Pentavalent and Pneumococcal Conjugate Vaccines (PCV)...
2018: PloS One
https://www.readbyqxmd.com/read/29765775/potential-impact-of-introducing-the-pneumococcal-conjugate-vaccine-into-national-immunisation-programmes-an-economic-epidemiological-analysis-using-data-from-india
#8
Itamar Megiddo, Eili Klein, Ramanan Laxminarayan
Pneumococcal pneumonia causes an estimated 105 000 child deaths in India annually. The planned introduction of the serotype-based pneumococcal conjugate vaccine (PCV) is expected to avert child deaths, but the high cost of PCV relative to current vaccines provided under the Universal Immunization Programme has been a concern. Cost-effectiveness studies from high-income countries are not readily comparable because of differences in the distribution of prevalent serotypes, population and health systems. We extended IndiaSim, our agent-based simulation model representative of the Indian population and health system, to model the dynamics of Streptococcus pneumoniae ...
2018: BMJ Global Health
https://www.readbyqxmd.com/read/29764945/a-mechanism-of-unidirectional-transformation-leading-to-antibiotic-resistance-occurs-within-nasopharyngeal-pneumococcal-biofilm-consortia
#9
Santiago M Lattar, Xueqing Wu, Jennifer Brophy, Fuminori Sakai, Keith P Klugman, Jorge E Vidal
Streptococcus pneumoniae acquires genes for resistance to antibiotics such as streptomycin (Str) or trimethoprim (Tmp) by recombination via transformation of DNA released by other pneumococci and closely related species. Using naturally transformable pneumococci, including strain D39 serotype 2 (S2) and TIGR4 (S4), we studied whether pneumococcal nasopharyngeal transformation was symmetrical, asymmetrical, or unidirectional. Incubation of S2Tet and S4Str in a bioreactor simulating the human nasopharynx led to the generation of SpnTet/Str recombinants...
May 15, 2018: MBio
https://www.readbyqxmd.com/read/29763263/effectiveness-of-pneumococcal-vaccines
#10
Marvin Sineath, Kristin McPhillips
No abstract text is available yet for this article.
May 1, 2018: American Family Physician
https://www.readbyqxmd.com/read/29762678/using-statistical-anomaly-detection-models-to-find-clinical-decision-support-malfunctions
#11
Soumi Ray, Dustin S McEvoy, Skye Aaron, Thu-Trang Hickman, Adam Wright
Objective: Malfunctions in Clinical Decision Support (CDS) systems occur due to a multitude of reasons, and often go unnoticed, leading to potentially poor outcomes. Our goal was to identify malfunctions within CDS systems. Methods: We evaluated 6 anomaly detection models: (1) Poisson Changepoint Model, (2) Autoregressive Integrated Moving Average (ARIMA) Model, (3) Hierarchical Divisive Changepoint (HDC) Model, (4) Bayesian Changepoint Model, (5) Seasonal Hybrid Extreme Studentized Deviate (SHESD) Model, and (6) E-Divisive with Median (EDM) Model and characterized their ability to find known anomalies...
May 11, 2018: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/29762363/immunogenicity-and-safety-of-primary-and-booster-vaccinations-of-a-fully-liquid-dtap-ipv-hb-prp-t-hexavalent-vaccine-in-healthy-infants-and-toddlers-in-germany-and-the-czech-republic
#12
Roman Prymula, Dorothee Kieninger, Emmanuel Feroldi, Emilia Jordanov, Siham B'Chir, Xavier DaCosta
BACKGROUND: To support a fully liquid, diphtheria (D)-tetanus (T)-acellular pertussis (aP)-inactivated poliovirus (IPV)-hepatitis B (HB)-Haemophilus influenzae b (PRP-T) vaccine in Europe using a 2, 3, 4 month primary series and a booster at 11 to 15 months of age. METHODS: Phase III, randomized, observer-blind studies in Germany and the Czech Republic. Participants who had not received HB vaccine were randomized to a 2, 3, 4 month primary series of DTaP-IPV-HB-PRP-T (Group 1; N=266) or a reconstituted DTaPHB-IPV//PRP-T comparator (Group 2; N=263) and a booster of the same vaccine...
May 14, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29758059/divergent-humoral-responses-to-23-valent-pneumococcal-polysaccharide-vaccine-in-critically-ill-burn-and-neurosurgical-patients
#13
Scott W Mueller, Laura J Baumgartner, Rob MacLaren, Robert Neumann, Arek J Wiktor, Tyree H Kiser, Gordon Lindberg, Luis Cava, Douglas N Fish, Edward N Janoff
INTRODUCTION: Critically ill hospitalized patients are at increased risk of infection so we assessed the immunogenicity of 23-valent pneumococcal polysaccharide vaccine (PPSV23) administered within six days of injury. METHODS: This prospective observational study compared the immunogenicity of PPSV23 among critically ill burn and neurosurgical patients at a tertiary, academic medical center. Patients received PPSV23 vaccination within six days of ICU admission per standard of care...
2018: PloS One
https://www.readbyqxmd.com/read/29757699/current-status-and-future-directions-of-invasive-pneumococcal-diseases-and-prophylactic-approaches-to-control-them
#14
Paeton L Wantuch, Fikri Y Avci
Streptococcus pneumoniae is a major human bacterial pathogen responsible for millions of deaths each year and significantly more illnesses worldwide. With over 90 different serotypes, providing effective vaccine programs has been a continuing challenge. Since 1983, the world has been introduced to four different pneumococcal vaccines (PPSV23, PCV7, PCV10, and PCV13) each with their own complications and successes. Since vaccination programs began, a decrease in the overall rate of pneumococcal pneumonia and associated diseases has been observed, notably in higher risk populations...
May 14, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29757414/vaccination-coverage-in-systemic-lupus-erythematosus-a-cross-sectional-analysis-of-the-german-long-term-study-lula-cohort
#15
Gamal Chehab, Jutta G Richter, Ralph Brinks, Rebecca Fischer-Betz, Borgi Winkler-Rohlfing, Matthias Schneider
Objectives: Vaccinations are an important measure to prevent infections in immunocompromised patients. The knowledge of vaccination coverage and reasons for non-vaccination in patients with SLE is scarce. The aim of this study was to assess coverage rates of selected vaccinations in a representative sample of SLE patients and to identify predictors for non-vaccination. Methods: In 2013, information on selected vaccinations (coverage, application and reservations) and on demographics, clinical parameters and health beliefs was assessed by means of a self-reported questionnaire among a representative sample of SLE patients in Germany (LuLa cohort)...
May 10, 2018: Rheumatology
https://www.readbyqxmd.com/read/29757386/impact-of-vaccine-stock-outs-on-infant-vaccination-coverage-a-hospital-based-survey-from-south-africa
#16
Rosemary J Burnett, Gloria Mmoledi, Ntombenhle J Ngcobo, Carine Dochez, L Mapaseka Seheri, M Jeffrey Mphahlele
Introduction: National population-based immunization coverage surveys provide data for validating official administrative coverage figures. However, these costly and logistically challenging surveys are conducted infrequently. This hospital-based records review determined coverage of birth-dose vaccines, fully immunized under 1-y-old coverage (FIC) of 12- to 59-mo-old children; and the reasons for missed vaccinations. Methods: Rotavirus surveillance in South Africa is based on under-5-y-old children being treated for diarrhoea, and includes photocopying the official vaccination document and collecting data on reasons for missed vaccinations...
May 11, 2018: International Health
https://www.readbyqxmd.com/read/29755948/two-cases-of-acute-pneumococcal-purulent-arthritis
#17
Masafumi Seki, Bin Chang, Kengo Ohshima, Yuji Watanabe
We present two adult cases of pneumococcal severe arthritis one case with, and other case without pericarditis those occurred in one season. Both cases eventually recovered, and the isolated S. pneumoniae strains were serotype 12F and penicillin susceptible. The patients were not elderly and had no medical history including pneumonia and vaccination. Although S. pneumoniae is a relatively rare causative pathogen of arthritis and/or pericarditis recently, a greater number of cases may be expected as a result of serotype conversion due to the increased use of pneumococcal conjugate vaccines in Japan...
2018: IDCases
https://www.readbyqxmd.com/read/29753630/comparison-of-two-training-methods-in-community-pharmacy-project-vaccinate
#18
James L Lin, Jennifer L Bacci, Marci J Reynolds, Yushi Li, Rachel G Firebaugh, Peggy S Odegard
OBJECTIVE: To compare the impact of a whole-staff training strategy to a train-the-trainer strategy on 1) the number of influenza, pneumococcal, herpes zoster, and pertussis vaccines administered by community pharmacists to adults; 2) staff confidence; and 3) fidelity to the intervention. SETTING: Eight Quality Food Centers (QFC) Pharmacies in Seattle, Washington. PRACTICE DESCRIPTION: QFC Pharmacy is a grocery store division of The Kroger Co...
May 9, 2018: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/29753126/23-valent-pneumococcal-polysaccharide-vaccine-elicits-hierarchical-antibody-and-cellular-responses-in-healthy-and-tuberculosis-cured-elderly-and-hiv-1-infected-subjects
#19
Huichang Huang, Xiaohua Qian, Rong Pan, Ling Shen, Shanshan Liang, Feifei Wang, Peng Zhang, Hongbo Shen, Zheng W Chen
The PPV23 immunizes healthy elderly and other high-risk populations against pneumococcal disease. Immune mechanisms whereby these populations differently mount antibody(Ab) and cellular responses to PPV23 vaccination remain unknown. Here, healthy elderly, those elderly with prior tuberculosis-cured history (TB-cured), and HIV-infected humans were vaccinated with PPV23, and assessed for opsonophagocytic Ab responses and potential cellular mechanisms. PPV23 vaccination elicited hierarchical responses of opsonophagocytic Ab...
May 9, 2018: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/29752214/evaluation-of-pneumococcal-and-influenza-vaccination-coverage-in-rheumatology-patients-receiving-biological-therapy-in-a-regional-referral-hospital
#20
María Fernández-Prada, Anahy María Brandy-García, Omar Darío Rodríguez-Fonseca, Ismael Huerta-González, Federico Fernández-Noval, Carmen Martínez-Ortega
OBJECTIVE: Vaccination coverage for seasonal influenza and pneumococcus in rheumatology patients receiving biological treatment. To identify variables that predict vaccination adherence. MATERIAL AND METHOD: Descriptive cross-sectional study. The study involved rheumatology patients who initiated biological therapy between 01/01/2016 and 12/31/2016 in a regional referral hospital. Variables included sociodemographic information, diagnostic data, treating physician, referral to the vaccine unit and vaccination against pneumococcus with 13-valent pneumococcal conjugate vaccine (PCV13) and 23-valent pneumococcal polysaccharide vaccine (PPSV23), as well as seasonal influenza (2016/17)...
May 8, 2018: Reumatología Clinica
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