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https://www.readbyqxmd.com/read/28220749/epidemiology-of-invasive-haemophilus-influenzae-disease-europe-2007-2014
#1
Robert Whittaker, Assimoula Economopoulou, Joana Gomes Dias, Elizabeth Bancroft, Miriam Ramliden, Lucia Pastore Celentano
We describe the epidemiology of invasive Haemophilus influenzae disease during 2007-2014 in 12 European countries and assess overall H. influenzae disease trends by serotype and patient age. Mean annual notification rate was 0.6 cases/100,000 population, with an increasing annual trend of 3.3% (95% CI 2.3% to 4.3%). The notification rate was highest for patients <1 month of age (23.4 cases/100,000 population). Nontypeable H. influenzae (NTHi) caused 78% of all cases and showed increasing trends among persons <1 month and >20 years of age...
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28218002/biofilm-formation-of-achromobacter-xylosoxidans-on-contact-lens
#2
Neda Konstantinović, Ivana Ćirković, Slobodanka Đukić, Vesna Marić, Dragana D Božić
Achromobacter spp. may contaminate lenses, lens cases, and contact lens solutions and cause ocular infections. The aim of this study was to investigate the possibility of isolated strain of Achromobacter xylosoxidans to form biofilm on the surface of soft contact lenses (CL), to quantify the production of the formed biofilm, and compare it with the reference strains (Pseudomonas aeruginosa, Staphylococcus aureus, and Haemophilus influenzae). Bacterial strain isolated from one contact lens case was identified as A...
February 20, 2017: Acta Microbiologica et Immunologica Hungarica
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/28196678/co-infection-by-lymphogranuloma-venereum-and-haemophilus-parainfluenzae-during-an-episode-of-proctitis
#5
Antonio Maria Caballero-Mateos, Mercedes López de Hierro-Ruiz, Mario Rodríguez-Domínguez, Juan Carlos Galán-Montemayor, José Gutiérrez-Fernández
No abstract text is available yet for this article.
February 10, 2017: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/28196635/childhood-meningitis-in-kuwait-in-the-era-of-post-pneumococcal-conjugate-vaccination-a-multicenter-study
#6
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
#7
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/28192236/diagnosis-of-primary-antibody-and-complement-immunodeficiencies-in-young-adults-after-a-first-invasive-bacterial-infection
#8
Sébastien Sanges, Frédéric Wallet, Nicolas Blondiaux, Didier Theis, Isabelle Verin, Anne Vachée, Rodrigue Dessein, Karine Faure, Nathalie Viget, Eric Senneville, Olivier Leroy, Fleur Maury, Nicolas Just, Julien Poissy, Daniel Mathieu, Anne Prévotat, Cécile Chenivesse, Arnaud Scherpereel, Grégoire Smith, Benjamin Lopez, Jérémie Rosain, Véronique Fremeaux-Bacchi, Eric Hachulla, Pierre-Yves Hatron, Mathilde Bahuaud, Frédéric Batteux, David Launay, Myriam Labalette, Guillaume Lefèvre
OBJECTIVES: Screening for primary immunodeficiencies (PIDs) in adults is recommended after two severe bacterial infections. We aimed to evaluate if screening should be performed after the first invasive infection in young adults. METHODS: Eligible patients were retrospectively identified using hospital discharge and bacteriology databases in 3 centers during a 3-year period. Eighteen to forty year-old patients were included if they had experienced an invasive infection with encapsulated bacteria commonly encountered in PIDs (Streptococcus pneumoniae (SP), Neisseria meningitidis (NM), Neisseria gonorrhoeae (NG), Haemophilus influenzae (HI) or group A Streptococcus (GAS))...
February 10, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28188786/increased-glycosylation-efficiency-of-recombinant-proteins-in-escherichia-coli-by-auto-induction
#9
Ning Ding, Chunguang Yang, Shenxia Sun, Lichi Han, Yao Ruan, Longhua Guo, Xuejun Hu, Jianing Zhang
Escherichia coli cells have been considered as promising hosts for producing N-glycosylated proteins since the successful production of N-glycosylated protein in E. coli with the pgl (N-linked protein glycosylation) locus from Campylobacter jejuni. However, one hurdle in producing N-glycosylated proteins in large scale using E. coli is inefficient glycan glycosylation. In this study, we developed a strategy for the production of N-glycosylated proteins with high efficiency via an optimized auto-induction method...
February 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28187951/omp16-based-vaccine-encapsulated-by-alginate-chitosan-microspheres-provides-significant-protection-against-haemophilus-parasuis-in-mice
#10
Xintian Zheng, Xiaoyan Yang, Xiaohua Li, Guo-Hua Qiu, Ailing Dai, Qichun Huang, Cuiqin Huang, Xiaofeng Guo
Haemophilus parasuis (H. parasuis) is the etiological agent of swine Glässer's disease, which leads to significant economic loss in swine industry over the world. Subunit vaccine based on outer membrane protein is one of the promising choices to protect pigs against H. parasuis infection despite low immunity efficiency. In this paper, outer membrane protein 16 (Omp16) of H. parasuis encapsulated by alginate-chitosan microspheres as antigen carriers was explored for the first time in a mouse model. Our results showed that the microspheres with Omp16 induced significant higher H...
February 7, 2017: Vaccine
https://www.readbyqxmd.com/read/28185742/do-we-need-a-vaccine-against-moraxella-catarrhalis-in-chronic-lung-disease-what-are-the-options-and-opportunities
#11
REVIEW
Antonia C Perez, Timothy F Murphy
Moraxella catarrhalis is the second most common cause of exacerbations in adults with COPD, resulting in enormous morbidity and mortality in this clinical setting. Vaccine development for M. catarrhalis has lagged behind the other two important causes of exacerbations in COPD, nontypeable Haemophilus influenzae and Streptococcus pneumoniae. While no licensed vaccine is currently available for M. catarrhalis, several promising candidate vaccine antigens have been identified and characterized and are close to entering clinical trials...
February 6, 2017: Vaccine
https://www.readbyqxmd.com/read/28182657/modeling-the-potential-for-vaccination-to-diminish-the-burden-of-invasive-non-typhoidal-salmonella-disease-in-young-children-in-mali-west-africa
#12
Kristin Bornstein, Laura Hungerford, David Hartley, John D Sorkin, Milagritos D Tapia, Samba O Sow, Uma Onwuchekwa, Raphael Simon, Sharon M Tennant, Myron M Levine
BACKGROUND: In sub-Saharan Africa, systematic surveillance of young children with suspected invasive bacterial disease (e.g., septicemia, meningitis) has revealed non-typhoidal Salmonella (NTS) to be a major pathogen exhibiting high case fatality (~20%). Where infant vaccination against Haemophilus influenzae type b (Hib) and Streptococcus pneumoniae has been introduced to prevent invasive disease caused by these pathogens, as in Bamako, Mali, their burden has decreased markedly. In parallel, NTS has become the predominant invasive bacterial pathogen in children aged <5 years...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28179078/serum-resistance-and-phase-variation-of-a-nasopharyngeal-non-typeable-haemophilus-influenzae-isolate
#13
Sabine Lichtenegger, Isabelle Bina, Sanel Durakovic, Philippe Glaser, Sarah Tutz, Stefan Schild, Joachim Reidl
Haemophilus influenzae harbours a complex array of factors to resist human complement attack. As non-typeable H. influenzae (NTHi) strains do not possess a capsule, their serum resistance mainly depends on other mechanisms including LOS decoration. In this report, we describe the identification of a highly serum resistant, nasopharyngeal isolate (NTHi23) by screening a collection of 77 clinical isolates. For NTHi23, we defined the MLST sequence type 1133, which matches the profile of a previously published invasive NTHi isolate...
January 30, 2017: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/28178716/invasive-haemophilus-influenzae-infection-in-patients-with-cancer
#14
Vivek Singh, Sowmya Nanjappa, Smitha Pabbathi, John N Greene
A major cause of morbidity and mortality in patients with cancer is infection. Since the introduction of the Haemophilus influenzae type b (Hib) vaccine in the United States in the 1990s, invasive H influenzae infection has become less common. We report on 5 patients with cancer and invasive H influenzae infection. A literature review was also performed of the dominant Haemophilus subtype and the clinical features associated with the infection and concomitant cancer. Of the 17 cases found in the literature, had hematological malignancies and 1 case each had thymoma, schwannoma, teratoma, and pancreatic, Merkel cell, pharyngeal, laryngeal, and rectal carcinomas...
January 2017: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/28178298/the-impact-of-prenatal-exposure-to-parasitic-infections-and-to-anthelminthic-treatment-on-antibody-responses-to-routine-immunisations-given-in-infancy-secondary-analysis-of-a-randomised-controlled-trial
#15
Stephen Nash, Alexander J Mentzer, Swaib A Lule, Dennison Kizito, Gaby Smits, Fiona R M van der Klis, Alison M Elliott
BACKGROUND: Chronic parasitic infections are associated with active immunomodulation which may include by-stander effects on unrelated antigens. It has been suggested that pre-natal exposure to parasitic infections in the mother impacts immunological development in the fetus and hence the offspring's response to vaccines, and that control of parasitic infection among pregnant women will therefore be beneficial. METHODOLOGY/PRINCIPAL FINDINGS: We used new data from the Entebbe Mother and Baby Study, a trial of anthelminthic treatment during pregnancy conducted in Uganda, to further investigate this hypothesis...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28178138/etiology-of-acute-otitis-media-and-serotype-distribution-of-streptococcus-pneumoniae-and-haemophilus-influenzae-in-chilean-children-5-years-of-age
#16
Andres Rosenblut, Carla Napolitano, Angelica Pereira, Camilo Moreno, Devayani Kolhe, Alejandro Lepetic, Eduardo Ortega-Barria
The impact of bacterial conjugate vaccines on acute otitis media (AOM) is affected by several factors including population characteristics, bacterial etiology and vaccine conjugation method, carrier, and coverage. This study estimated the baseline etiology, distribution, and antibiotic susceptibility of bacterial serotypes that causes AOM in children aged <5 years in a public setting in Santiago, Chile.Children aged ≥3 months and <5 years referred to the physician for treatment of AOM episodes (with an onset of symptoms <72 h) were enrolled between September 2009 and September 2010...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28177794/evaluation-of-recombinant-protein-superoxide-dismutase-of-haemophilus-parasuis-strain-sh0165-as-vaccine-candidate-in-a-mouse-model
#17
Ling Guo, Lei Xu, Tao Wu, Shulin Fu, Yinsheng Qiu, Chien-An Andy Hu, Xinglong Ren, Rongrong Liu, Mengdie Ye
Haemophilus parasuis, can cause a severe membrane inflammation disorder. It has been documented that superoxide dismutase is a potential target to treat systemic inflammatory diseases. Therefore, we constructed an experimental H. parasuis subunit vaccine SOD and determined the protective efficacy of SOD using a lethal dose challenge against H. parasuis serovar 4 strain MD0322 and serovar 5 strain SH0165 in a mouse model. The results demonstrated that SOD could induce a strong humoral immune response in mice and provide significant immunoprotection efficacy against a lethal dose of H...
December 22, 2016: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28177321/the-crystal-structure-of-pd1-a-haemophilus-surface-fibril-domain
#18
Jack Wright, Maren Thomsen, Robert Kolodziejczyk, Joshua Ridley, Jessica Sinclair, Glenn Carrington, Birendra Singh, Kristian Riesbeck, Adrian Goldman
The Haemophilus surface fibril (Hsf) is an unusually large trimeric autotransporter adhesin (TAA) expressed by the most virulent strains of H. influenzae. Hsf is known to mediate adhesion between pathogen and host, allowing the establishment of potentially deadly diseases such as epiglottitis, meningitis and pneumonia. While recent research has suggested that this TAA might adopt a novel `hairpin-like' architecture, the characterization of Hsf has been limited to in silico modelling and electron micrographs, with no high-resolution structural data available...
February 1, 2017: Acta Crystallographica. Section F, Structural Biology Communications
https://www.readbyqxmd.com/read/28176480/de-novo-thrombotic-microangiopathy-following-simultaneous-pancreas-and-kidney-transplantation-managed-with-eculizumab
#19
REVIEW
Lani Shochet, John Kanellis, Ian Simpson, Joseph Ta, William Mulley
Thrombotic microangiopathy (TMA) is a well-recognised complication following transplantation, often due to an underlying genetic predisposition, medications or rejection. The use of eculizumab in these settings has been previously described, but its role still remains to be clarified. A 45-year-old man, with a history of type 1 diabetes mellitus and subsequent end-stage kidney failure, presented for a simultaneous pancreas-kidney transplant. Immunologically, he was well matched with the donor, and he received standard induction immunosuppression including tacrolimus...
February 2017: Nephrology
https://www.readbyqxmd.com/read/28171878/antibacterial-defense-of-human-airway-epithelial-cells-from-chronic-obstructive-pulmonary-disease-patients-induced-by-acute-exposure-to-nontypeable-haemophilus-influenzae-modulation-by-cigarette-smoke
#20
Gimano D Amatngalim, Jasmijn A Schrumpf, Almira Henic, Esther Dronkers, Renate M Verhoosel, Soledad R Ordonez, Henk P Haagsman, Maria E Fuentes, Sriram Sridhar, Jamil Aarbiou, Richard A J Janssen, Annemarie N Lekkerkerker, Pieter S Hiemstra
Antimicrobial proteins and peptides (AMPs) are a central component of the antibacterial activity of airway epithelial cells. It has been proposed that a decrease in antibacterial lung defense contributes to an increased susceptibility to microbial infection in smokers and patients with chronic obstructive pulmonary disease (COPD). However, whether reduced AMP expression in the epithelium contributes to this lower defense is largely unknown. We investigated the bacterial killing activity and expression of AMPs by air-liquid interface-cultured primary bronchial epithelial cells from COPD patients and non-COPD (ex-)smokers that were stimulated with nontypeable Haemophilus influenzae (NTHi)...
February 8, 2017: Journal of Innate Immunity
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