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https://www.readbyqxmd.com/read/27930540/invasive-bacterial-infections-in-gambians-with-sickle-cell-anemia-in-an-era-of-widespread-pneumococcal-and-hemophilus-influenzae-type-b-vaccination
#1
Germander Soothill, Saffiatou Darboe, Gibril Bah, Lawal Bolarinde, Aubrey Cunnington, Suzanne T Anderson
There is relatively little data on the etiology of bacterial infections in patients with sickle cell anemia (SCA) in West Africa, and no data from countries that have implemented conjugate vaccines against both Streptococcus pneumoniae and Haemophilus influenzae type b (Hib).We conducted a retrospective analysis of SCA patients admitted to the Medical Research Council Unit, The Gambia, during a 5-year period when there was high coverage of Hib and Pneumococcal conjugate vaccination. We evaluated 161 admissions of 126 patients between April 2010 and April 2015...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27862309/study-of-greek-children-and-youths-with-cystic-fibrosis-identifies-immunisation-gaps-and-delays
#2
Helena C Maltezou, Stavros Doudounakis, Maria Lekaditi, Kalliopi Tanou, Panos Katerelos, Maria Theodoridou
AIM: Data about immunisation rates in cystic fibrosis (CF) patients are scarce. We estimated the rates and timeliness of immunisations in CF patients aged 0.55-22 years. METHODS: We studied 122 subjects at a hospital in Greece in 2014. A standard questionnaire was used to collect data and parents' opinions about immunisations. RESULTS: The complete immunisation rates were 92.6% for diphtheria-tetanus-acellular pertussis-inactivated poliomyelitis-Haemophilus influenzae (DTaP-IPV-Hib), 96...
November 10, 2016: Acta Paediatrica
https://www.readbyqxmd.com/read/27858500/undervaccination-with-diphtheria-tetanus-and-pertussis-vaccine-national-trends-and-association-with-pertussis-risk-in-young-children
#3
Wan-Ting Huang, Hui-Chen Lin, Chin-Hui Yang
BACKGROUND: The high coverage for ≥3 pertussis vaccine doses among Taiwanese children might not imply timely vaccination. Recently, resurgence of pertussis and challenges with availability of DTaP-IPV-Hib prompted this study. METHODS: In the 1996-2012 national birth cohort, we calculated the prevalence and days of undervaccination against pertussis by age 36 months. We also compared the odds of undervaccination in each laboratory-confirmed pertussis patient at ages 3-35 months with sex-, residence-, and age-matched controls from the general population, using conditional logistic regression...
November 18, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27855146/global-routine-vaccination-coverage-2015
#4
Rebecca M Casey, Laure Dumolard, M Carolina Danovaro-Holliday, Marta Gacic-Dobo, Mamadou S Diallo, Lee M Hampton, Aaron S Wallace
In 1974, the World Health Organization (WHO) established the Expanded Program on Immunization* to provide protection against six vaccine-preventable diseases through routine infant immunization (1). Based on 2015 WHO and United Nations Children's Fund (UNICEF) estimates, global coverage with the third dose of diphtheria-tetanus-pertussis vaccine (DTP3), the first dose of measles-containing vaccine (MCV1) and the third dose of polio vaccine (Pol3) has remained stable (84%-86%) since 2010. From 2014 to 2015, estimated global coverage with the second MCV dose (MCV2) increased from 39% to 43% by the end of the second year of life and from 58% to 61% when older age groups were included...
November 18, 2016: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/27846058/lot-to-lot-consistency-safety-tolerability-and-immunogenicity-of-an-investigational-hexavalent-vaccine-in-us-infants
#5
Stanley L Block, Nicola P Klein, Kwabena Sarpong, Stephen Russell, John Fling, Maria Petrecz, Sheryl Flores, Jin Xu, Guanghan Liu, Jon E Stek, Ginamarie Foglia, Andrew W Lee
BACKGROUND: This multicenter Phase III study (NCT01340937) evaluated the consistency of immune responses to 3 separate lots of DTaP5-IPV-Hib-HepB, an investigational hexavalent vaccine (HV). METHODS: Healthy infants were randomized (2:2:2:1) to receive HV or Pentacel (Control). Groups 1, 2, and 3 received HV at 2, 4, and 6 months, and Control at 15 months. Group 4 received Control at 2, 4, 6, and 15 months, plus Recombivax HB (HepB) at 2 and 6 months. Concomitant Prevnar 13 (PCV13) was given to all groups at 2, 4, 6, and 15 months; pentavalent rotavirus vaccine (RV5) was given to all groups at 2, 4, and 6 months...
November 11, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27846055/a-phase-iii-randomized-double-blind-clinical-trial-of-an-investigational-hexavalent-vaccine-given-at-2-3-4-and-12-months
#6
Timo Vesikari, Thomas Becker, Andre F Vertruyen, Katleen Poschet, Sheryl A Flores, Marco F Pagnoni, Jin Xu, G Frank Liu, Jon E Stek, Florence Boisnard, Stéphane Thomas, Eddy Ziani, Andrew W Lee
BACKGROUND: Combination vaccines simplify vaccination visits and improve coverage and timeliness. DTaP5-HB-IPV-Hib is a new investigational, fully-liquid, combination vaccine containing a 5-antigen pertussis component and which is designed to protect against 6 infectious diseases. METHODS: In this multicenter, double-blind, comparator-controlled, Phase III study (NCT01341639) conducted in Finland, Germany, and Belgium, healthy infants were randomized 1:1 to receive one of two immunization regimens...
November 11, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27782149/solution-conformation-and-flexibility-of-capsular-polysaccharides-from-neisseria-meningitidis-and-glycoconjugates-with-the-tetanus-toxoid-protein
#7
Ali Saber Abdelhameed, Gordon A Morris, Fahad Almutairi, Gary G Adams, Pierre Duvivier, Karel Conrath, Stephen E Harding
The structural integrity of meningococcal native, micro-fluidized and activated capsular polysaccharides and their glycoconjugates - in the form most relevant to their potential use as vaccines (dilute solution) - have been investigated with respect to their homogeneity, conformation and flexibility. Sedimentation velocity analysis showed that the polysaccharide size distributions were generally bimodal with some evidence for higher molar mass forms at higher concentration. Weight average molar masses Mw where lower for activated polysaccharides...
October 26, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27768515/safety-immunogenicity-and-persistence-of-immune-response-to-the-combined-diphtheria-tetanus-acellular-pertussis-poliovirus-and-haemophilus-influenzae-type-b-conjugate-vaccine-dtpa-ipv-hib-administered-in-chinese-infants
#8
Yanping Li, Rong Cheng Li, Qiang Ye, Changgui Li, You Ping Liu, Xiao Ma, Yanan Li, Hong Zhao, Xiaoling Chen, Deepak Assudani, Naveen Karkada, Htay Htay Han, Olivier Van Der Meeren, Narcisa Mesaros
We conducted three phase III, randomized, open-label, clinical trials assessing the safety, reactogenicity (all studies), immunogenicity (Primary vaccination study) and persistence of immune responses (Booster study) to the combined diphtheria, tetanus, pertussis, poliomyelitis, and Haemophilus influenzae type b vaccine (DTPa-IPV/Hib) in Chinese infants and toddlers. In the Pilot study (NCT00964028), 50 infants (randomized 1:1) received three doses of DTPa-IPV/Hib at 2-3-4 (Group A) or 3-4-5 months of age (Group B)...
October 21, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27764083/status-of-new-vaccine-introduction-worldwide-september-2016
#9
Anagha Loharikar, Laure Dumolard, Susan Chu, Terri Hyde, Tracey Goodman, Carsten Mantel
Since the global Expanded Program on Immunization (EPI) was launched in 1974, vaccination against six diseases (tuberculosis, polio, diphtheria, tetanus, pertussis, and measles) has prevented millions of deaths and disabilities (1). Significant advances have been made in the development and introduction of vaccines, and licensed vaccines are now available to prevent 25 diseases (2,3). Historically, new vaccines only became available in low-income and middle-income countries decades after being introduced in high-income countries...
October 21, 2016: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/27756713/low-and-disparate-seroprotection-after-pentavalent-childhood-vaccination-in-the-lao-people-s-democratic-republic-a-cross-sectional-study
#10
Konstantin Evdokimov, Kong Sayasinh, Phonethipsavanh Nouanthong, Keooudomphone Vilivong, Bounthome Samountry, Darouny Phonekeo, Michel Strobel, Frank Haegeman, Peter Heimann, Claude P Muller, Antony P Black
OBJECTIVES: In Lao People's Democratic Republic (PDR) the high burden of vaccine preventable diseases is thought to be mainly due to low vaccine coverage. Here, we investigated the seroprotective response against diphtheria-tetanus-whole cell pertussis-hepatitis B-Haemophilus influenzae type b (DTPw-HepB-Hib) vaccine in children. METHODS: Serum was collected from 1131 children aged 9 to 50 months and their mothers in a cross-sectional study between December 2013 and July 2014...
October 15, 2016: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/27753766/impact-of-haemophilus-influenzae-type-b-conjugate-vaccines-on-nasopharyngeal-carriage-in-hiv-infected-children-and-their-parents-from-west-bengal-india
#11
Bikas K Arya, Sangeeta Das Bhattacharya, Catherine G Sutcliffe, Swapan Kumar Niyogi, Subhasish Bhattacharyya, Sunil Hemram, William J Moss, Samiran Panda, Ranjan Saurav Das, Sutapa Mandal, Dennis Robert, Pampa Ray
BACKGROUND: In addition to reducing Haemophilus influenzae type b (Hib) disease in vaccinated individuals, the Hib conjugate vaccine (HibCV) has indirect effects; it reduces Hib disease in unvaccinated individuals by decreasing carriage. Human immunodeficiency virus (HIV)-infected children are at increased risk for Hib disease and live in families where multiple members may have HIV. The aim of this study is to look at the impact of 2 doses of the HibCV on nasopharyngeal carriage of Hib in HIV-infected Indian children (2-15 years) and the indirect impact on carriage in their parents...
November 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27718310/protection-against-vaccine-preventable-diseases-in-children-treated-for-acute-lymphoblastic-leukemia
#12
Isabel de de la Fuente Garcia, Léna Coïc, Jean-Marie Leclerc, Caroline Laverdière, Céline Rousseau, Philippe Ovetchkine, Bruce Tapiéro
BACKGROUND: The objective of this retrospective study was to assess protection against vaccine preventable diseases (VPDs) in children treated for acute lymphoblastic leukemia (ALL). PROCEDURE: Clinical characteristics and vaccination records were collected. Antibodies against VPDs were measured after completion of chemotherapy and after a booster dose of vaccine. Immunization status of household members was evaluated. RESULTS: Sixty children were included...
October 8, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27711036/vaccination-coverage-among-children-aged-19-35-months-united-states-2015
#13
Holly A Hill, Laurie D Elam-Evans, David Yankey, James A Singleton, Vance Dietz
Sustained high coverage with recommended vaccinations among children has kept many vaccine-preventable diseases at low levels in the United States (1). To assess coverage with vaccinations recommended for children by age 2 years in the United States (2), CDC analyzed data collected by the 2015 National Immunization Survey (NIS) for children aged 19-35 months (born January 2012-May 2014). Overall, coverage did not change during 2014-2015. Coverage in 2015 was highest for ≥3 doses of poliovirus vaccine (93...
October 7, 2016: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/27650380/immunogenicity-and-protective-immunity-against-otitis-media-caused-by-pneumococcus-in-mice-of-hib-conjugate-vaccine-with-psaa-protein-carrier
#14
Zeyu Chen, Rong Guo, Jianghong Xu, Chuangjun Qiu
This study evaluated the immunogenicity and protective immunity of a Hemophilus influenzae b (Hib) polysaccharide conjugate vaccine with the pneumococcal surface adhesin A (PsaA) protein carrier in young mice. The Hib polysaccharide was conjugated with the rPsaA protein carrier, which was produced using recombinant DNA technology. A total of 15 young mice aged 3 weeks to 5 weeks were immunized with the conjugate vaccine, and another 15 young mice of the same age were immunized with the licensed Hib-tetanus toxoid (TT) vaccine...
September 20, 2016: Frontiers of Medicine
https://www.readbyqxmd.com/read/27645830/-is-the-simplification-of-the-immunization-schedule-applied-review-2%C3%A2-years-after-its-implementation
#15
J Gaudelus, F Denis, R Cohen, J-P Stahl, P Pujol, E Gauthier, A Martinot
: Repeating evaluations of vaccine coverage (VC) is essential to measure the implementation and effectiveness of vaccination policy. We report the results of VC in infants from the Vaccinoscopie(®) study in 2014 to assess the changes secondary to the new 2013 immunization schedule. METHOD: Study conducted on Internet among a representative sample of mothers reporting their child's vaccination record. RESULTS: The removal of the dose of DTPa-Hib at the age of 3 months was quickly adopted since only 1 % of children aged 6 months had received three doses of DTPa in 2014 compared to 96 % in 2012...
October 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/27630761/applying-central-composite-design-and-response-surface-methodology-to-optimize-growth-and-biomass-production-of-haemophilus-influenzae-type-b
#16
Seyed Bahman Momen, Seyed Davar Siadat, Neda Akbari, Bijan Ranjbar, Khosro Khajeh
BACKGROUND: Haemophilus influenzae type b (Hib) is the leading cause of bacterial meningitis, otitis media, pneumonia, cellulitis, bacteremia, and septic arthritis in infants and young children. The Hib capsule contains the major virulence factor, and is composed of polyribosyl ribitol phosphate (PRP) that can induce immune system response. Vaccines consisting of Hib capsular polysaccharide (PRP) conjugated to a carrier protein are effective in the prevention of the infections. However, due to costly processes in PRP production, these vaccines are too expensive...
June 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/27629913/immunogenicity-and-safety-of-3-dose-primary-vaccination-with-combined-dtpa-hbv-ipv-hib-in-indian-infants
#17
Sanjay K Lalwani, Sharad Agarkhedkar, Balasubramanian Sundaram, Niranjana S Mahantashetti, Nandini Malshe, Shalaka Agarkhedkar, Olivier Van Der Meeren, Shailesh Mehta, Naveen Karkada, Htay Htay Han, Narcisa Mesaros
Multivalent combination vaccines have reduced the number of injections and therefore improved vaccine acceptance, timeliness of administration and global coverage. The hexavalent diphtheria-tetanus-acellular pertussis-hepatitis B-inactivated poliovirus/Haemophilus influenzae type b (DTPa-HBV-IPV/Hib; Infanrix hexa™) vaccine, administered according to various schedules, is widely used for the primary vaccination of infants worldwide. In the current publication, we are presenting the immunogenicity and safety of 3 doses of DTPa-HBV-IPV/Hib vaccine when administered to Indian infants...
September 15, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27595992/a-high-throughput-serum-bactericidal-assay-for-antibodies-to-haemophilus-influenzae-type-b
#18
Han Wool Kim, Kyung-Hyo Kim, JiHye Kim, Moon H Nahm
BACKGROUND: The protective capacities of antibodies induced with Haemophilus influenzae type b (Hib) vaccines can be directly assessed in vitro with a Hib-specific serum bactericidal assay (SBA). However, the conventional SBA requires several tedious steps including manual counting of bacterial colonies, and therefore, it is seldom used. METHODS: To overcome these limitations, we have improved the conventional SBA by using frozen target bacteria and by developing an automated colony counting method based on agar plates with the chromogenic dye 2, 3, 5-triphenyl tetrazolium chloride (TTC)...
2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27543381/immunization-status-in-childhood-cancer-survivors-a-hidden-risk-which-could-be-prevented
#19
Najwa Yahya Fayea, Ashraf Elsayed Fouda, Shaimaa Mohamed Kandil
BACKGROUND: A limited number of studies have examined the vaccine-specific antibody status of children with cancer. There are disagreements over the guidelines for postcancer immunization strategy. METHODS: Our study was an observational, cross-sectional retrospective review of data collected on children who were seen in the outpatient clinic at King Abdullah Medical City, Oncology Center, Jeddah, the Kingdom of Saudi Arabia. Our aim was to evaluate the seropositive status to vaccine-preventable diseases: measles, mumps, rubella, diphtheria, tetanus, polio, and Haemophilus influenzae type B (HIB) in childhood cancer survivors at our center in order to plan future vaccination for these children and establish a simple revaccination schedule...
July 26, 2016: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/27541270/effects-of-prophylactic-ibuprofen-and-paracetamol-administration-on-the-immunogenicity-and-reactogenicity-of-the-10-valent-pneumococcal-non-typeable-haemophilus-influenzae-protein-d-conjugated-vaccine-phid-cv-co-administered-with-dtpa-combined-vaccines-in-children
#20
Oana Falup-Pecurariu, Sorin C Man, Mihai L Neamtu, Gratiana Chicin, Ginel Baciu, Carmen Pitic, Alexandra C Cara, Andrea E Neculau, Marin Burlea, Ileana L Brinza, Cristina N Schnell, Valentina Sas, Valeriu V Lupu, Nancy François, Kristien Swinnen, Dorota Borys
Prophylactic paracetamol administration impacts vaccine immune response; this study ( www.clinicaltrials.gov : NCT01235949) is the first to assess PHiD-CV immunogenicity following prophylactic ibuprofen administration. In this phase IV, multicenter, open-label, randomized, controlled, non-inferiority study in Romania (November 2010-December 2012), healthy infants were randomized 3:3:3:1:1:1 to prophylactically receive immediate, delayed or no ibuprofen (IIBU, DIBU, NIBU) or paracetamol (IPARA, DPARA, NPARA) after each of three primary doses (PHiD-CV at age three/four/five months co-administered with DTPa-HBV-IPV/Hib at three/five and DTPa-IPV/Hib at four months) or booster dose (PHiD-CV and DTPa-HBV-IPV/Hib; 12-15 months)...
August 19, 2016: Human Vaccines & Immunotherapeutics
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