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pneumococcal conjugate 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/28216181/changing-trends-in-serotypes-of-s-pneumoniae-isolates-causing-invasive-and-non-invasive-diseases-in-unvaccinated-population-in-mexico-2000-2014
#2
María Noemí Carnalla-Barajas, Araceli Soto-Noguerón, Miguel Angel Sánchez-Alemán, Fortino Solórzano-Santos, María Elena Velazquez-Meza, Gabriela Echániz-Aviles
OBJECTIVE: Introduction of pneumococcal conjugate vaccines (PCV) targeted against a limited number of serotypes substantially decreased invasive (IPD) and non-invasive pneumococcal diseases (NIPD) but it was accompanied by non-vaccine type replacement disease. After 9 years of introduction of PCV in Mexico, we analyze the evidence of the indirect effects on IPD and NIPD serotype distribution among groups not targeted to receive the vaccine. METHODS: From January 2000 to December 2014, pneumococcal strains isolated from IPD and NIPD cases from patients ≥5 years of age from participant hospitals of the SIREVA II (Sistema Regional de Vacunas) network, were serotyped...
February 16, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28213046/splenectomy-as-a-destination-improving-quality-of-care-among-asplenic-veterans-through-a-travel-clinic
#3
Aaron P Mitchell, Joel C Boggan, Karen Lau, David L Simel
BACKGROUND: Asplenic patients are at risk for severe infections, but adherence to recommended preventive education and vaccination is poor. The goal of this study was to demonstrate that a targeted intervention can improve vaccination rates in a population of asplenic veterans. METHODS: Surgically asplenic patients actively receiving care in our health care system were identified via a database search. Patients were contacted via mailed letters and encouraged to attend an existing travel clinic with a new process designed for asplenic patients...
February 14, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28209678/prophylactic-antipyretics-for-prevention-of-febrile-seizures-following-vaccination
#4
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/28207888/effect-of-the-different-13-valent-pneumococcal-conjugate-vaccination-uptakes-on-the-invasive-pneumococcal-disease-in-children-analysis-of-a-hospital-based-and-population-based-surveillance-study-in-madrid-spain-2007-2015
#5
Juan Picazo, Jesús Ruiz-Contreras, Juan Casado-Flores, Sagrario Negreira, Fernando Baquero, Teresa Hernández-Sampelayo, Enrique Otheo, Cristina Méndez
In the Community of Madrid, the 13-valent pneumococcal conjugate vaccine (PCV13) replaced the 7-valent (PCV7) in the fully government-funded Regional Immunization Program (RIP) in May, 2010, but was later excluded in May, 2012, and included again in January, 2015. These unique changes allowed us to assess the impact of the different pneumococcal vaccination policies on PCV13 uptake in infants and on the incidence rate (IR) of invasive pneumococcal disease (IPD) in children <15 years old. In this prospective, active, surveillance study, we estimated PCV13 uptakes, IR and incidence rate ratios (IRR) for total IPD and for IPD caused by PCV13- and non-PCV13 serotypes in children <15 years, stratified by age, in four periods with different vaccination policies: fully government-funded PCV7 vaccination, fully government-funded PCV13, mixed public/private funding and only private funding...
2017: PloS One
https://www.readbyqxmd.com/read/28202800/discovery-of-novel-pneumococcal-serotype-35d-a-natural-wcig-deficient-variant-of-serotype-35b
#6
K Aaron Geno, Jamil S Saad, Moon H Nahm
The pneumococcus (Streptococcus pneumoniae) remains a significant cause of morbidity and mortality, especially among those at the extremes of age. Its capsular polysaccharide is essential for systemic virulence. Over ninety serologically distinct pneumococcal capsular polysaccharides (serotypes) are recognized, but they are unequal in prevalence. Because antibodies against the capsule are protective, polysaccharide conjugate vaccines, which are constructed against the most prevalent serotypes, have made great reductions in pneumococcal disease caused by these serotypes...
February 15, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28199482/pneumococcal-pneumonia-requiring-hospitalization-in-u-s-children-in-the-13-valent-pneumococcal-conjugate-vaccine-era
#7
Liset Olarte, William J Barson, Ryan M Barson, José R Romero, John S Bradley, Tina Q Tan, Laurence B Givner, Jill A Hoffman, Philana Ling Lin, Kristina G Hultén, Edward O Mason, Sheldon L Kaplan
No abstract text is available yet for this article.
February 11, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28198725/adult-pneumococcal-vaccination-advances-impact-and-unmet-needs
#8
Ricardo J José, Jeremy S Brown
PURPOSE OF REVIEW: Preventing pneumonia in the elderly and study participants individuals with comorbidities is an unmet clinical need. Streptococcus pneumoniae is the commonest bacterial cause of pneumonia, and we summarize recent findings regarding current S. pneumoniae vaccines, and debate their efficacy and cost-effectiveness in risk groups. We also discuss potential future vaccine strategies such as protein antigen vaccines. RECENT FINDINGS: Current vaccination with pneumococcal polysaccharide vaccine does not prevent S...
February 13, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28196635/childhood-meningitis-in-kuwait-in-the-era-of-post-pneumococcal-conjugate-vaccination-a-multicenter-study
#9
Hussain Sadeq, Entesar H Husain, Amna Alkoot, Suha Atyani, Abdullah Al-Fraij, Abdulrahman Al-Daithan, Talal AlSaleem, Anfal Taher, May Alenezi
This is a retrospective study to evaluate epidemiology and etiologies of childhood meningitis in Kuwait after the routine introduction of the pneumococcal conjugate vaccine. The data was collected from 196 patients in the period of 2010-2014. Aseptic meningitis accounted for 51% of the cases, bacterial meningitis accounted for 29% cases and partially treated meningitis were 20%. Organisms causing bacterial meningitis were: Streptococcus pneumoniae 40.4%, Neisseria meningitidis 17.6%, Haemophilus spp. 12.2%, other gram positive or negative 19...
February 9, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28194210/recommended-immunization-schedule-for-children-and-adolescents-immunization-guideline-8th-edition-released-by-the-korean-pediatric-society-in-2015
#10
REVIEW
Jong-Hyun Kim, Eun Hwa Choi, Su Eun Park, Yae-Jean Kim, Dae Sun Jo, Yun-Kyung Kim, Byung-Wook Eun, Jina Lee, Soo-Young Lee, Hyunju Lee, Ki Hwan Kim, Kyung-Hyo Kim
This report includes the recommended immunization schedule table for children and adolescents based on the 8th (2015) and revised 7th (2012) Immunization Guidelines released by the Committee on Infectious Diseases of the Korean Pediatric Society (KPS). Notable revised recommendations include: reorganization of the immunization table with a list of vaccines on the vertical axis and the corresponding age on the horizontal axis; reflecting the inclusion of Haemophilus influenzae type b vaccine, pneumococcal conjugate vaccine, and hepatitis A vaccine into the National Immunization Program since 2012; addition of general recommendations for 2 new Japanese encephalitis (JE) vaccines and their interchangeability with existing JE vaccines; addition of general recommendations for quadrivalent meningococcal conjugate vaccines and scope of the recommended targets for vaccination; and emphasizing catch-up immunization of Tdap vaccine...
December 2016: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28178935/pneumococcal-carriage-among-hiv-infected-children-in-accra-ghana
#11
Eric S Donkor, Jennifer A Annan, Ebenezer V Badoe, Nicholas T K D Dayie, Appiah-Korang Labi, Hans-Christian Slotved
BACKGROUND: Pneumococcal carriage is the precursor for development of pneumococcal disease, and is also responsible for transmission of the organism from person-to-person. In Africa, little is known about the pneumococcus in relation to people with HIV infection. The aim of the study was to investigate the epidemiology of pneumococcal carriage among HIV infected children visiting a tertiary hospital in Ghana, including the carriage prevalence, risk factors and serotype distribution. METHOD: This was a cross sectional study carried out from February to May, 2015 at the HIV Paediatric Clinic of the Korle-Bu Teaching Hospital in Accra, Ghana...
February 8, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28173960/exploratory-efficacy-endpoints-in-the-community-acquired-pneumonia-immunization-trial-in-adults-capita
#12
Chris Webber, Michael Patton, Scott Patterson, Beate Schmoele-Thoma, Susanne M Huijts, Marc J M Bonten
BACKGROUND: The Community-Acquired Pneumonia Immunization Trial in Adults (CAPiTA) assessed vaccine-type community-acquired pneumonia (VT-CAP) and vaccine-type invasive pneumococcal disease (VT-IPD) prevention with 13-valent pneumococcal conjugate vaccine (PCV13) in adults aged ⩾65years. We report vaccine efficacy (VE) of PCV13 for the remaining 23 exploratory endpoints and serotype distributions for pneumococcal CAP and IPD. METHODS: This was a parallel-group, randomised, placebo-controlled, double-blind trial comparing single-dose PCV13 with placebo...
March 1, 2017: Vaccine
https://www.readbyqxmd.com/read/28168172/comparison-of-immunogenicity-and-safety-of-an-influenza-vaccine-administered-concomitantly-with-a-13-valent-pneumococcal-conjugate-vaccine-or-23-valent-polysaccharide-pneumococcal-vaccine-in-the-elderly
#13
Yu Bin Seo, Won Suk Choi, Jacob Lee, Joon Young Song, Hee Jin Cheong, Woo Joo Kim
PURPOSE: Previous studies have demonstrated the immunogenicity and safety of the co-administration of the trivalent inactivated influenza vaccine (IIV3) with the polysaccharide pneumococcal vaccine (PPV) or pneumococcal conjugate vaccine (PCV). However, there is no direct comparison study that evaluates the immunogenicity and safety of IIV3 given concomitantly with PCV13 or PPV23 in the elderly. MATERIALS AND METHODS: During the 2012-2013 influenza vaccination period, 224 healthy elderly volunteers aged 65 years and older randomly received IIV3 given concomitantly with either PCV13 (PCV13+IIV3) or PPV23 (PPV23+IIV3) in a 1:1 ratio...
January 2017: Clinical and Experimental Vaccine Research
https://www.readbyqxmd.com/read/28166256/high-pneumonia-lifetime-ever-incidence-in-beijing-children-compared-with-locations-in-other-countries-and-implications-for-national-pcv-and-hib-vaccination
#14
Fang Qu, Louise B Weschler, Yuexia Sun, Jan Sundell
OBJECTIVES: To compare the proportion of Beijing children who have ever had pneumonia (%Pneumonia) to those in other locations, and to estimate by how much national vaccine coverage with Pneumococcal Conjugate Vaccine (PCV) and Haemophilus Influenzae Type b (Hib) could reduce Beijing %Pneumonia. METHODS: %Pneumonia was obtained for each age group from 1 to 8 years inclusive from 5,876 responses to a cross-sectional questionnaire. Literature searches were conducted for world-wide reports of %Pneumonia...
2017: PloS One
https://www.readbyqxmd.com/read/28161425/the-rise-and-fall-of-pneumococcal-serotypes-carried-in-the-pcv-era
#15
Vanessa T Devine, David W Cleary, Johanna M C Jefferies, Rebecca Anderson, Denise E Morris, Andrew C Tuck, Rebecca A Gladstone, Grace O'Doherty, Priyasharmila Kuruparan, Stephen D Bentley, Saul N Faust, Stuart C Clarke
Streptococcus pneumoniae is a major cause of meningitis, sepsis and pneumonia worldwide. Vaccination using pneumococcal conjugate vaccines (PCV) has therefore been part of the UK's childhood immunisation programme since 2006. Here we describe pneumococcal carriage rates in children under five years of age attending the paediatric department of a large UK hospital in response to vaccine implementation over seven winter seasons from 2006 to 2013. S. pneumoniae (n=696) were isolated from nasopharyngeal swabs (n=2267) collected during seven consecutive winters, October to March, 2006/7 to 2012/13...
February 1, 2017: Vaccine
https://www.readbyqxmd.com/read/28161295/serotype-distribution-and-antimicrobial-susceptibility-of-streptococcus-pneumoniae-strains-isolated-in-japan-after-introduction-of-the-routine-immunization-program
#16
Haruko Miyazaki, Rie Shibuya, Naoko Midorikawa, Bin Chang, Makoto Ohnishi, Tetsuya Matsumoto
Pneumococcal vaccines have reduced the incidences of Streptococcus pneumoniae infections among children and adults, but a relative increase in the prevalence of non-vaccine serotypes has been reported. To follow the changing epidemiology of pneumococcal diseases, capsular serotyping and antimicrobial susceptibility testing was performed on 534 pneumococcal isolates obtained from a hospital in Japan after routine immunization was launched, between October 2014 and May 2016. Serotype distributions and antimicrobial susceptibilities were evaluated among the total patient population, and were compared by age and sample groups and by serotype group, respectively...
February 1, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28154145/estimating-the-population-level-impact-of-vaccines-using-synthetic-controls
#17
Christian A W Bruhn, Stephen Hetterich, Cynthia Schuck-Paim, Esra Kürüm, Robert J Taylor, Roger Lustig, Eugene D Shapiro, Joshua L Warren, Lone Simonsen, Daniel M Weinberger
When a new vaccine is introduced, it is critical to monitor trends in disease rates to ensure that the vaccine is effective and to quantify its impact. However, estimates from observational studies can be confounded by unrelated changes in healthcare utilization, changes in the underlying health of the population, or changes in reporting. Other diseases are often used to detect and adjust for these changes, but choosing an appropriate control disease a priori is a major challenge. The "synthetic controls" (causal impact) method, which was originally developed for website analytics and social sciences, provides an appealing solution...
February 1, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28152029/clonal-and-serotype-dynamics-of-serogroup-6-isolates-causing-invasive-pneumococcal-disease-in-portugal-1999-2012
#18
Jorge Diamantino-Miranda, Sandra Isabel Aguiar, João André Carriço, José Melo-Cristino, Mário Ramirez
Although serogroup 6 was among the first to be recognized among Streptococcus pneumoniae, several new serotypes were identified since the introduction of pneumococcal conjugate vaccines (PCVs). A decrease of the 6B-2 variant among invasive pneumococcal disease (IPD), but not 6B-1, was noted post conjugate vaccine introduction, underpinned by a decrease of CC273 isolates. Serotype 6C was associated with adult IPD and increased in this age group representing two lineages (CC315 and CC395), while the same lineages expressed other serogroup 6 serotypes in children...
2017: PloS One
https://www.readbyqxmd.com/read/28151410/australian-aboriginal-children-with-otitis-media-have-reduced-antibody-titres-to-specific-nontypeable-haemophilus-influenzae-vaccine-antigens
#19
Ruth B Thornton, Lea-Ann S Kirkham, Karli J Corscadden, Selma P Wiertsema, Angela Fuery, B Jan Jones, Harvey L Coates, Shyan Vijayasekaran, Guicheng Zhang, Anthony Keil, Peter C Richmond
Indigenous populations experience high rates of otitis media (OM), with increased chronicity and severity compared to that experienced by their non-Indigenous counterparts. Data are lacking on immune responses to otopathogenic bacteria in these high-risk populations. Non-typeable Haemophilus influenzae (NTHi) is the predominant otopathogen in Australia. Currently no vaccines are licensed to target NTHi, however Protein D (PD) from NTHi is included as a carrier protein in the 10-valent pneumococcal conjugate vaccine PHiD10-CV, and other promising protein vaccine candidates exist, including outer membrane proteins P4 and P6...
February 1, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28146590/epidemiology-of-otitis-media-with-spontaneous-perforation-of-the-tympanic-membrane-in-young-children-and-association-with-bacterial-nasopharyngeal-carriage-recurrences-and-pneumococcal-vaccination-in-catalonia-spain-the-prospective-hermes-study
#20
Robert Cilveti, Montserrat Olmo, Josefa Pérez-Jove, Juan-José Picazo, Josep-Lluis Arimany, Emiliano Mora, Tomás M Pérez-Porcuna, Ignacio Aguilar, Aurora Alonso, Francesc Molina, María Del Amo, Cristina Mendez
The Epidemiology of otitis media with spontaneous perforation of the tympanic membrane and associated nasopharyngeal carriage of bacterial otopathogens was analysed in a county in Catalonia (Spain) with pneumococcal conjugate vaccines (PCVs) not included in the immunization programme at study time. A prospective, multicentre study was performed in 10 primary care centres and 2 hospitals (June 2011-June 2014), including all otherwise healthy children ≥2 months ≤8 years with otitis media presenting spontaneous tympanic perforation within 48h...
2017: PloS One
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