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Vaccine for meningitis

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https://www.readbyqxmd.com/read/28813518/changes-in-the-incidence-of-pneumonia-bacterial-meningitis-and-infant-mortality-5-years-following-introduction-of-the-13-valent-pneumococcal-conjugate-vaccine-in-a-3-0-schedule
#1
Sylvia Becker-Dreps, Bryan Blette, Rafaela Briceño, Jorge Alemán, Michael G Hudgens, Gilberto Moreno, Ana Ordoñez, Julio Rocha, David J Weber, Erick Amaya
BACKGROUND: Streptococcus pneumoniae causes about 826,000 deaths of children in the world each year and many health facility visits. To reduce the burden of pneumococcal disease, many nations have added pneumococcal conjugate vaccines to their national immunization schedules. Nicaragua was the first country eligible for GAVI Alliance funding to introduce the 13-valent pneumococcal conjugate vaccine (PCV13) in 2010, provided to infants at 2, 4, and 6 months of age. The goal of this study was to evaluate the population impact of the first five years of the program...
2017: PloS One
https://www.readbyqxmd.com/read/28803714/building-capacity-for-active-surveillance-of-vaccine-adverse-events-in-the-americas-a-hospital-based-multi-country-network
#2
Pamela Bravo-Alcántara, Silvia Pérez-Vilar, Helvert Felipe Molina-León, Miriam Sturkenboom, Steven Black, Patrick L F Zuber, Christine Maure, Jose Luis Castro
New vaccines designed to prevent diseases endemic in low and middle-income countries are being introduced without prior utilization in countries with robust vaccine pharmacovigilance systems. Our aim was to build capacity for active surveillance of vaccine adverse events in the Americas. We describe the implementation of a proof-of-concept study for the feasibility of an international collaborative hospital-based active surveillance system for vaccine safety. The study was developed and implemented in 15 sentinel sites located in seven countries of the region of the Americas, under the umbrella of the World Health Organization (WHO) Global Vaccine Safety Initiative...
August 10, 2017: Vaccine
https://www.readbyqxmd.com/read/28803139/the-effect-of-age-on-the-manifestations-and-outcomes-of-invasive-pneumococcal-disease-in-adults
#3
Thomas J Marrie, Gregory J Tyrrell, Sumit R Majumdar, Dean T Eurich
BACKGROUND: While a considerable amount is known about the effect of age on the manifestations and outcomes of pneumonia, the same is not true for invasive pneumococcal disease . METHODS: This was a prospective, observational study of all cases (2435) of invasive pneumococcal disease in adults in Northern Alberta from 2000 to 2014. Rates of invasive pneumococcal disease/100,000, sociodemographic variables, clinical characteristics, and invasive pneumococcal disease -related outcomes were compared for the following age groups - 17 to 54, 55 -64, 65 to 74 and 75 years and over...
August 9, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28792332/meningitis-and-septicaemia-vaccinations
#4
Kimberley Hackett
Essential facts Teenagers and young people are the second most at-risk group for contracting meningitis and septicaemia. Due to an increase in the virulent strain of meningitis MenW, the Joint Committee on Vaccination and Immunisation has recommended a programme to vaccinate all people aged 14 to 18 years.
August 9, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28780272/current-challenges-in-the-accurate-identification-of-streptococcus-pneumoniae-and-its-serogroups-serotypes-in-the-vaccine-era
#5
REVIEW
Rosemol Varghese, Ranjith Jayaraman, Balaji Veeraraghavan
Streptococcus pneumoniae is a major cause of pneumonia, meningitis and other invasive diseases resulting in high mortality and morbidity among children under the age of five. Inaccurate identification of S. pneumoniae masks the exact estimation of disease burden and could delay treatment options. This is the common problem most frequently faced in developing countries due to several reasons that include poor infrastructure, insensitive operational procedures and lack of expertise. Inconsistent methods for phenotypic detection often delay the early identification and confirmation of S...
August 2, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28776337/changes-in-the-serotype-distribution-among-antibiotic-resistant-carriage-streptococcus-pneumoniae-isolates-in-children-after-the-introduction-of-the-extended-valency-pneumococcal-conjugate-vaccine
#6
Joon Kee Lee, Ki Wook Yun, Eun Hwa Choi, Sun Jung Kim, Seong Yeon Lee, Hoan Jong Lee
This study investigated the serotype distribution and antimicrobial resistance of 3,820 nasopharyngeal Streptococcus pneumoniae isolates from infants and children who presented with respiratory symptoms at Seoul National University Children's Hospital from July 2010 to June 2015 after the introduction of the extended-valency pneumococcal conjugate vaccines (PCVs). Serotypes and antimicrobial susceptibility were determined using the Quellung reaction and E-test, respectively. S. pneumoniae was isolated from 397 (10...
September 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28771457/meningitis-outbreak-caused-by-vaccine-preventable-bacterial-pathogens-northern-ghana-2016
#7
Fortress Y Aku, Fernanda C Lessa, Franklin Asiedu-Bekoe, Phoebe Balagumyetime, Winfred Ofosu, Jennifer Farrar, Mahamoudou Ouattara, Jeni T Vuong, Kofi Issah, Joseph Opare, Sally-Ann Ohene, Charles Okot, Ernest Kenu, Donne K Ameme, David Opare, Abass Abdul-Karim
Bacterial meningitis is a severe, acute infection of the fluid surrounding the brain and spinal cord that can rapidly lead to death. Even with recommended antibiotic treatment, up to 25% of infected persons in Africa might experience neurologic sequelae (1). Three regions in northern Ghana (Upper East, Northern, and Upper West), located in the sub-Saharan "meningitis belt" that extends from Senegal to Ethiopia, experienced periodic outbreaks of meningitis before introduction of serogroup A meningococcal conjugate vaccine (MenAfriVac) in 2012 (2,3)...
August 4, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28770496/serogroup-b-meningococcus-outbreaks-prevalence-and-the-case-for-standard-vaccination
#8
REVIEW
James Grogan, Karen Roos
PURPOSE OF REVIEW: This review explores the history of serogroup B meningitis outbreaks in American universities and the rise of the monovalent serogroup B meningococcus vaccines (MenB). RECENT FINDINGS: Serogroup B meningitis represents 30% of American meningococcal infections and had no commercially available vaccine in the USA until 2013 when the FDA made an expanded allowance for importation of the MenB-4C vaccine for outbreaks at two American universities. Infections of Neisseria meningitidis, notably meningococcal meningitis represent a continued, lethal threat to the pediatric and adolescent populations and those with primary or acquired complement component deficiencies, largely mitigated by the quadrivalent meningococcal conjugated vaccine against serogroups A, C, W, and Y (MenACWY)...
September 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/28767667/uptake-of-a-new-meningitis-vaccination-programme-amongst-first-year-undergraduate-students-in-the-united-kingdom-a-cross-sectional-study
#9
Sarah Blagden, Daniel Seddon, Daniel Hungerford, Debbi Stanistreet
BACKGROUND: In 2015 meningococcal group W was declared endemic in the UK, with the meningococcal ACWY vaccination (MenACWY) subsequently introduced amongst adolescents and first-year university students. This study aimed to determine MenACWY uptake amongst students and to evaluate how this was influenced by demographics and via the Health Belief Model (HBM). METHODS: This was a cross-sectional study conducted at a British university amongst first-year undergraduate students aged 18-25 years...
2017: PloS One
https://www.readbyqxmd.com/read/28762591/ean-consensus-review-on-prevention-diagnosis-and-management-of-tick-borne-encephalitis
#10
REVIEW
P Taba, E Schmutzhard, P Forsberg, I Lutsar, U Ljøstad, Å Mygland, I Levchenko, F Strle, I Steiner
BACKGROUND AND PURPOSE: Tick-borne encephalitis (TBE) is an infection of the central nervous system (CNS) caused by tick-borne encephalitis virus (TBEV) and transmitted by ticks, with a variety of clinical manifestations. The incidence of TBE in Europe is increasing due to an extended season of the infection and the enlargement of endemic areas. Our objectives are to provide recommendations on the prevention, diagnosis and management of TBE, based on evidence or consensus decisions. METHODS: For systematic evaluation, the literature was searched from 1970 to 2015 (including early online publications of 2016), and recommendations were based on evidence or consensus decisions of the Task Force when evidence-based data were not available...
August 1, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28761614/-impact-of-controlled-temperature-chain-ctc-approach-on-immunization-coverage-achieved-during-the-preventive-vaccination-campaign-against-meningitis-a-using-menafrivac-in-togo-in-2014
#11
Dadja Essoya Landoh, Anna-Léa Kahn, Anani Lacle, Kodjovi Adjeoda, Bayaki Saka, Issifou Yaya, Danladi Ibrahim Nassoury, Assima Kalao, Makawa-Sy Makawa, Nsiari-Mueyi Joseph Biey, Andre Bita, Yaovi Temfa Toke, Petit Dörte, Lucile Imboua, Olivier Ronveaux
METHOD: We conducted a survey from 9 to 14 March 2015 (for approximately 3 months) after the end of the vaccination campaign in these four regions. Interviewees were selected using two stages cluster sampling stratified according to the regions. MenAfriVac vaccine in Controlled Temperature Chain (CTC) was used in 10 districts, in Togo. RESULTS: A total of 2707 households were surveyed and 9082 people aged 1-29 years were interviewed. The average age of the individuals surveyed was 11...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28739825/neisseria-cinerea-expresses-a-functional-factor-h-binding-protein-which-is-recognised-by-immune-responses-elicited-by-meningococcal-vaccines
#12
Hayley Lavender, Katy Poncin, Christoph M Tang
Neisseria meningitidis is a major cause of bacterial meningitis and sepsis worldwide. Capsular polysaccharide vaccines are available against meningococcal serogroups A, C, W and Y. More recently two protein based vaccines, Bexsero® and Trumenba®, have been licenced against meningococcal serogroup B strains; both vaccines contain meningococcal factor H binding protein (fHbp). fHbp is a surface exposed lipoprotein which binds the negative complement regulator, complement factor H (CFH), thereby inhibiting the alternative pathway of complement activation...
July 24, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28737858/the-effects-of-pneumococcal-conjugate-vaccine-pcv7-and-pcv13-on-turkish-children-with-invasive-pneumococcal-disease-a-single-center-experience
#13
Halil Özdemir, Caner Yıldız, Selin Nar Ötgün, Hatice Erkol, Adem Karbuz, Bilge Aldemir Kocabaş, Tuğçe Tural Kara, Ayşegül Gözalan, Rıza Durmaz, Ergin Çiftçi, Derya Aysev, Erdal İnce
INTRODUCTION: The aim of this prospective single-center study was to determine the changings in incidence of invasive pneumococcal disease (IPD), serotype distribution and the antimicrobial resistance patterns of S. pneumoniae in children with IPD after the period (1 to 7 years) of vaccination with PCV7 (2008) and PCV13 (2011). POPULATION AND METHODS: The study was conducted on 39 Turkish children with IPD between ages 1 month and 18 years in Ankara, Turkey. Streptococcus pneumoniae was identified using standard laboratory procedures from blood, cerebrospinal fluid (CSF), pleural fluid, and other sterile body fluids and tissues...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28737622/changes-in-the-nature-and-severity-of-invasive-pneumococcal-disease-in-children-before-and-after-the-7-valent-and-13-valent-pneumococcal-conjugate-vaccine-programs-in-calgary-canada
#14
Leah J Ricketson, Nicholas G Conradi, Otto G Vanderkooi, James D Kellner
BACKGROUND: Since the introduction of childhood pneumococcal conjugate vaccines, invasive pneumococcal disease (IPD) incidence has decreased in children and the predominant serotypes causing disease have changed. This study describes changes in the clinical features of IPD in children (<18 years) before and after conjugate vaccine introduction. METHODS: The Calgary Area Streptococcus pneumoniae Epidemiology Research (CASPER) study collects information on all IPD cases in Calgary, Alberta, Canada...
July 20, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28736993/molecular-characterization-of-streptococcus-pneumoniae-particularly-serotype19a-st320-that-emerged-in-krasnoyarsk-russia
#15
Irina N Protasova, Tsai-Wen Wan, Natalya V Bakhareva, Wei-Chun Hung, Wataru Higuchi, Yasuhisa Iwao, Tatyana A Yelistratova, Natalya A Ilyenkova, Yelena S Sokolovskaya, Galina P Martynova, Ivan V Reva, Galina V Reva, Sergey V Sidorenko, Lee-Jene Teng, Olga V Peryanova, Alla B Salmina, Tatsuo Yamamoto
Streptococcus pneumoniae, a common human pathogen, colonizes the nasopharynx and causes diseases including acute otitis media (AOM). We herein report pneumococcal serotype distributions in children before and after PCV7 vaccination and in patients with pneumococcal disease in Siberian Russia (Krasnoyarsk). Analyses included antimicrobial susceptibility testing, ST typing, a pulsed-field gel electrophoresis analysis, virulence-related surface protein gene (VSG) typing with novel primers, and a structural analysis by scanning electron microscopy...
July 23, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28728201/-fever-and-headache-after-a-vacation-in-thailand
#16
Benedikt Schwermer, Daniel Eschle, Constantine Bloch-Infanger
History 50 year-old man with fever and headache starting one week after returning from his vacation in Thailand. His general practitioner prescribed amoxicillin/clavulanic acid, without further analyses to pinpoint the infection. Examinations The examination of cerebro-spinal fluid was crucial for the final diagnosis. Lumbar puncture demonstrated a predominantly mononuclear pleocytosis of 80 cells/µl (< 5) with an elevated protein of 782 mg/l (< 450); glucose and lactate were within normal limits...
July 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28702307/childhood-pneumonia-and-meningitis-in-the-eastern-highlands-province-papua-new-guinea-in-the-era-of-conjugate-vaccines-study-methods-and-challenges
#17
Christopher C Blyth, Rebecca Ford, Joycelyn Sapura, Tonny Kumani, Geraldine Masiria, John Kave, Lapule Yuasi, Andrew Greenhill, Ilomo Hwaihwanje, Amanda Lang, Deborah Lehmann, William Pomat
BACKGROUND: Pneumonia and meningitis are common causes of severe childhood illness in Papua New Guinea (PNG). The etiology of both clinical conditions in PNG has not been recently assessed. Changes in lifestyle, provision and access to healthcare, antimicrobial utilization and resistance, and the national childhood vaccination schedule necessitate reassessment. METHODS: A prospective case-control study was undertaken, enrolling children <5 years of age to determine the contemporary etiology of clinically defined moderate or severe pneumonia or suspected meningitis...
2017: Pneumonia
https://www.readbyqxmd.com/read/28690025/invasive-pneumococcal-disease-caused-by-ceftriaxone-resistant-streptococcus-pneumoniae-in-taiwan
#18
Hao-Yuan Lee, Tsu-Lan Wu, Lin-Hui Su, Hsin-Chieh Li, Rajendra Prasad Janapatla, Chyi-Liang Chen, Cheng-Hsun Chiu
BACKGROUND: Invasive pneumococcal disease (IPD) was associated with mortality, but the risk factors associated with mortality remains controversial. METHODS: A retrospective cohort study was designed. All patients with IPD from 2011 to 2013 admitted in a medical center were screened and collected for their clinical presentations and laboratory characteristics. RESULTS: Approximately half of the 134 IPD isolates derived from these patients belonged to three major serotypes (19A, 6A and 3), which are included in 13-valent pneumococcal conjugate vaccine (PCV13), but not in 7-valent pneumococcal conjugate vaccine (PCV7)...
June 26, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28668572/characteristics-of-pediatric-invasive-pneumococcal-diseases-and-the-pneumococcal-isolates-in-suzhou-china-before-introduction-of-pcv13
#19
Xiyan Zhang, Jianmei Tian, Wei Shan, Jian Xue, Yunzhen Tao, Qian Geng, Yunfang Ding, Genming Zhao, Tao Zhang
BACKGROUND: Data on characteristics of invasive pneumococcal diseases (IPD) is limited in China. We aimed to understand the clinical features and explore the molecular characteristics of the pneumococcal isolates in China. METHODS: Since 2010, we prospectively collected the pneumococcal isolates and the IPD patients' demographic and clinical information in Suzhou University Affiliated Children's Hospital (SCH). The antibiotic susceptibility, serotypes, genotypes of Streptococcus pneumoniae strains were identified by E-test, quellung reaction and/or multiplex PCR, and multi-locus sequence typing, respectively...
June 28, 2017: Vaccine
https://www.readbyqxmd.com/read/28666758/the-changing-epidemiology-of-invasive-haemophilus-influenzae-disease-emergence-and-global-presence-of-serotype-a-strains-that-may-require-a-new-vaccine-for-control
#20
Raymond S W Tsang, Marina Ulanova
BACKGROUND: More than two decades after the implementation of the Hib conjugate vaccine in North America, Haemophilus influenzae serotype a (Hia) has emerged as a significant cause of invasive disease in Indigenous communities. However, little is known about the global presence of this pathogen. METHODS: We interrogated the H. influenzae Multi-Locus Sequence Typing (MLST) website (https://pubmlst.org/hinfluenzae/) by selecting for serotype a records. We also updated our previous literature review on this subject matter...
June 27, 2017: Vaccine
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