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Vaccine coverage

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https://www.readbyqxmd.com/read/28931217/prevalence-of-human-papillomavirus-among-females-after-vaccine-introduction-national-health-and-nutrition-examination-survey-united-states-2003-2014
#1
Sara E Oliver, Elizabeth R Unger, Rayleen Lewis, Darius McDaniel, Julia W Gargano, Martin Steinau, Lauri E Markowitz
Background: Human papillomavirus (HPV) vaccine was recommended in 2006 for routine vaccination of US females aged 11-12 years. Most vaccine used through 2014 was quadrivalent vaccine (4vHPV), which prevents HPV-6, -11, -16, and -18 infection. To evaluate vaccine impact, we measured HPV prevalence in the National Health and Nutrition Examination Survey (NHANES). Methods: We analyzed HPV DNA types detected in self-collected cervicovaginal specimens and demographic, sexual behavior, and self-reported vaccination data from females 14-34 years old...
September 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28930165/timeliness-of-childhood-primary-immunization-and-risk-factors-related-with-delays-evidence-from-the-2014-zhejiang-provincial-vaccination-coverage-survey
#2
Yu Hu, Qian Li, Yaping Chen
Background: this study aimed to assess both immunization coverage and timeliness, as well as reasons for non-vaccination, and identity the risk factors of delayed immunization, for the vaccines scheduled during the first year of life, in Zhejiang province, east China. Methods: A cluster survey among children aged 24-35 months was conducted. Demographic information and socio-economic characteristics of the selected child, the mother, and the household were collected. Immunization data were transcribed from immunization cards...
September 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28929957/-serotype-distribution-and-antibiotic-resistance-of-streptococcus-pneumoniae-strains-isolated-from-the-adult-patients-in-a-turkish-%C3%A3-niversity-hospital
#3
Lütfiye Öksüz, Nezahat Gürler
Infections caused by Streptococcus pneumoniae are the most important cause of morbidity and mortality worldwide. S.pneumoniae is the most common cause of community-acquired pneumonia, especially in adults. Invasive pneumococcal disease can usually occur in the elderly, children and immunocompromised individuals. Usage of the vaccines for the protection against S.pneumoniae infections, is an effective method to reduce the burden of disease in both children and adults. Serotypes frequently isolated from purified capsular polysaccharides of S...
July 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28929727/-differences-in-influenza-vaccination-coverage-among-subgroups-of-adult-immigrants-residing-in-italy-at-risk-for-complications-2012-2013
#4
Massimo Fabiani, Anteo Di Napoli, Flavia Riccardo, Lidia Gargiulo, Silvia Declich, Alessio Petrelli
OBJECTIVES: to evaluate differences in influenza vaccination coverage (IVC) in immigrants at risk for influenza-related complications, according to their area of origin and length of stay in Italy. DESIGN: cross-sectional survey conducted on the sample of foreign citizens included in the survey on health conditions and use of health services of the Italian resident population (Italian national institute of statistics, 2012-2013). SETTING AND PARTICIPANTS: analysis conducted on 885 foreign adult citizens (≥18 years) at risk for influenza-related complications (elderly residents ≥65 years and residents with specific chronic diseases)...
May 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/28929089/two-novel-salmonella-bivalent-vaccines-confer-dual-protection-against-two-salmonella-serovars-in-mice
#5
Xinxin Zhao, Qinlong Dai, Renyong Jia, Dekang Zhu, Mafeng Liu, Mingshu Wang, Shun Chen, Kunfeng Sun, Qiao Yang, Ying Wu, Anchun Cheng
Non-typhoidal Salmonella includes thousands of serovars that are leading causes of foodborne diarrheal illness worldwide. In this study, we constructed three bivalent vaccines for preventing both Salmonella Typhimurium and Salmonella Newport infections by using the aspartate semialdehyde dehydrogenase (Asd)-based balanced-lethal vector-host system. The constructed Asd(+) plasmid pCZ11 carrying a subset of the Salmonella Newport O-antigen gene cluster including the wzx-wbaR-wbaL-wbaQ-wzy-wbaW-wbaZ genes was introduced into three Salmonella Typhimurium mutants: SLT19 (Δasd) with a smooth LPS phenotype, SLT20 (Δasd ΔrfbN) with a rough LPS phenotype, and SLT22 (Δasd ΔrfbN ΔpagL::T araC PBADrfbN) with a smooth LPS phenotype when grown with arabinose...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28928212/population-and-whole-genome-sequence-based-characterization-of-invasive-group-a-streptococci-recovered-in-the-united-states-during-2015
#6
Sopio Chochua, Ben J Metcalf, Zhongya Li, Joy Rivers, Saundra Mathis, Delois Jackson, Robert E Gertz, Velusamy Srinivasan, Ruth Lynfield, Chris Van Beneden, Lesley McGee, Bernard Beall
Group A streptococci (GAS) are genetically diverse. Determination of strain features can reveal associations with disease and resistance and assist in vaccine formulation. We employed whole-genome sequence (WGS)-based characterization of 1,454 invasive GAS isolates recovered in 2015 by Active Bacterial Core Surveillance and performed conventional antimicrobial susceptibility testing. Predictions were made for genotype, GAS carbohydrate, antimicrobial resistance, surface proteins (M family, fibronectin binding, T, R28), secreted virulence proteins (Sda1, Sic, exotoxins), hyaluronate capsule, and an upregulated nga operon (encodes NADase and streptolysin O) promoter (Pnga3)...
September 19, 2017: MBio
https://www.readbyqxmd.com/read/28928185/comparative-effectiveness-of-injectable-penicillin-versus-a-combination-of-penicillin-and-gentamicin-in-children-with-pneumonia-characterised-by-indrawing-in-kenya-protocol-for-an-observational-study
#7
Lucas Malla, Rafael Perera-Salazar, Emily McFadden, Mike English
INTRODUCTION: WHO treatment guidelines are widely recommended for guiding treatment for millions of children with pneumonia every year across multiple low-income and middle-income countries. Guidelines are based on synthesis of available evidence that provides moderate certainty in evidence of effects for forms of pneumonia that can result in hospitalisation. However, trials have included fewer children from Africa than other settings, and it is suggested that African children with pneumonia have higher mortality...
September 18, 2017: BMJ Open
https://www.readbyqxmd.com/read/28928077/influenza-vaccine-use-to-protect-healthy-children-a-debated-topic
#8
Nicola Principi, Susanna Esposito
At the beginning of this century, a number of studies suggested that in healthy children, particularly those <2years of age, influenza could have a serious and complicated course, as it frequently led to hospitalization and sometimes, albeit rarely, to death. Moreover, pre-schoolers and school-age children were found to be among the most important causes of influenza transmission to the community, as they shed the virus for a longer time than adults and had frequent contact with greater numbers of individuals through day-care and school...
September 16, 2017: Vaccine
https://www.readbyqxmd.com/read/28928076/risk-of-invasive-meningococcal-disease-in-university-students-in-england-and-optimal-strategies-for-protection-using-menacwy-vaccine
#9
Sema Mandal, Helen Campbell, Sonia Ribeiro, Steve Gray, Tony Carr, Joanne White, Shamez N Ladhani, Mary E Ramsay
PURPOSE: In August 2015, in response to increasing group W invasive meningococcal disease (IMD) nationally, a MenACWY vaccine programme was introduced in the UK for 13-18year olds. We reviewed the epidemiology of IMD in young adults and university-associated cases in England during 2014-15 academic year and assessed the potential impact of different immunisation strategies. METHODS: Public Health England national enhanced surveillance data were used to describe the epidemiology of IMD cases in 15-24year olds in England during 2014/15...
September 16, 2017: Vaccine
https://www.readbyqxmd.com/read/28928039/vaccination-coverage-of-adolescents-with-chronic-medical-conditions
#10
Annika M Hofstetter, Stewin Camargo, Karthik Natarajan, Susan L Rosenthal, Melissa S Stockwell
INTRODUCTION: Adolescents with chronic medical conditions (CMCs) are at increased risk of vaccine-preventable infections. Little is known about their vaccine uptake. METHODS: This retrospective cohort study included 3,989 adolescents aged 11-17 years receiving care at academically affiliated pediatric clinics between August 2011 and June 2013. Data were abstracted from the medical center's electronic health record and immunization registry in 2014. Vaccination coverage, timeliness, and missed opportunities were evaluated and analyzed in 2015-2016...
September 16, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28927384/heterogeneity-in-coverage-for-measles-and-varicella-vaccination-in-toddlers-analysis-of-factors-influencing-parental-acceptance
#11
Christine Hagemann, Andrea Streng, Alexander Kraemer, Johannes G Liese
BACKGROUND: In 2004, routine varicella vaccination was introduced in Germany for children aged 11-14 months. Routine measles vaccination had already been introduced in 1973 for the same age group, but coverage is still too low (<95%) in some areas to eliminate measles. The present study assessed varicella and measles vaccination coverage and determinants of parental acceptance in two study regions, situated in Northern and Southern Bavaria (Germany). METHODS: From 2009 to 2011, annual cross-sectional parent surveys were performed on random samples of 600 children aged 18-36 months in the Bavarian regions of both Munich and Würzburg...
September 19, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28927373/variation-in-loss-of-immunity-shapes-influenza-epidemics-and-the-impact-of-vaccination
#12
Rutger G Woolthuis, Jacco Wallinga, Michiel van Boven
BACKGROUND: Protective antibody immunity against the influenza A virus wanes in 2-7 years due to antigenic drift of the virus' surface proteins. The duration of immune protection is highly variable because antigenic evolution of the virus is irregular. Currently, the variable nature of the duration of immunity has had little attention in analyses of the impact of vaccination, including cost-effectiveness studies. METHODS: We developed a range of mathematical transmission models to investigate the effect of variable duration of immunity on the size of seasonal epidemics...
September 19, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28926775/geographic-and-demographic-correlates-of-autism-related-anti-vaccine-beliefs-on-twitter-2009-15
#13
Theodore S Tomeny, Christopher J Vargo, Sherine El-Toukhy
This study examines temporal trends, geographic distribution, and demographic correlates of anti-vaccine beliefs on Twitter, 2009-2015. A total of 549,972 tweets were downloaded and coded for the presence of anti-vaccine beliefs through a machine learning algorithm. Tweets with self-disclosed geographic information were resolved and United States Census data were collected for corresponding areas at the micropolitan/metropolitan level. Trends in number of anti-vaccine tweets were examined at the national and state levels over time...
September 4, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28926016/policy-analysis-for-delivery-of-contagious-bovine-pleuropneumonia-control-strategies-in-sub-saharan-africa
#14
J O Onono, B Wieland, A Suleiman, J Rushton
This paper presents a policy analysis for the implementation of contagious bovine pleuropneumonia (CBPP) control strategies in pastoral regions of sub-Saharan Africa, where the disease is endemic. A framework for policy analysis was adapted for this review. The framework has eight principal steps: defining the context of the policy, identifying the problem to be addressed by the policy, searching for evidence of the problem, identifying policy options, projecting policy outcomes, evaluating the potential policy options, weighing their outcomes and making the policy decision...
April 2017: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28923422/a-novel-measles-outbreak-control-strategy-in-the-netherlands-in-2013-2014-using-a-national-electronic-immunization-register-a-study-of-early-mmr-uptake-and-its-determinants
#15
Laura M Nic Lochlainn, Tom Woudenberg, Alies van Lier, Irmgard Zonnenberg, Marvin Philippi, Hester E de Melker, Susan J M Hahné
BACKGROUND: During a large measles outbreak in the Netherlands in 2013-2014, infants aged 6-14months living in municipalities with low (<90%) measles-mumps-rubella (MMR) coverage were individually invited for an early MMR using the national electronic immunization register, Præventis. We estimated uptake of early MMR prior to and during the 2013-2014 outbreak and assessed determinants for early MMR vaccination. METHODS: We obtained vaccination records from Præventis, and defined early MMR as vaccination before 415days (13months) of age...
September 15, 2017: Vaccine
https://www.readbyqxmd.com/read/28922083/strategies-in-recommending-influenza-vaccination-in-europe-and-us
#16
Caterina Rizzo, Gianni Rezza, Walter Ricciardi
There is potential for influenza vaccine programmes to make a substantial impact on the disease burden. The World Health Organization (WHO) has identified young children, pregnant women, persons with chronic medical conditions, and the elderly as being at risk for severe influenza disease and therefore important groups to be considered for influenza vaccination. Applying the methodology of scoping review of grey and scientific literature we described the European and the US approach to influenza vaccine prevention...
September 18, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28921955/characterization-of-site-specific-glycosylation-in-influenza-a-virus-hemagglutinin-produced-by-spodoptera-frugiperda-insect-cell-line
#17
Yanjun Liu, Shiaw-Lin Wu, Kerry Routenberg Love, William S Hancock
Influenza hemagglutinin is a surface glycoprotein related to virus invasion and host immune system response. Understanding site specific glycosylation of hemagglutinin will increase our knowledge about virus evolution and can improve the design and quality of vaccines. In our study, we used glycoproteomic analysis based on multienzyme digestion followed by LC tandem MS analysis to determine the glycosylation of Influenza hemagglutinin (H1/A/California/04/2009) using the following steps: PNGaseF treatment combined with trypsin or pepsin digestion were used to determine the glycosites and glycan occupancy...
September 18, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28919225/a-comparative-cost-analysis-of-the-vaccination-program-for-us-bound-refugees
#18
Heesoo Joo, Brian Maskery, Tarissa Mitchell, Andrew Leidner, Alexander Klosovsky, Michelle Weinberg
BACKGROUND: Vaccination Program for US-bound Refugees (VPR) currently provides one or two doses of some age-specific Advisory Committee on Immunization Practices (ACIP)-recommended vaccines to US-bound refugees prior to departure. METHODS: We quantified and compared the full vaccination costs for refugees using two scenarios: (1) the baseline of no VPR and (2) the current situation with VPR. Under the first scenario, refugees would be fully vaccinated after arrival in the United States...
September 14, 2017: Vaccine
https://www.readbyqxmd.com/read/28916210/modelling-multi-site-transmission-of-the-human-papillomavirus-and-its-impact-on-vaccination-effectiveness
#19
P Lemieux-Mellouki, M Drolet, M Jit, G Gingras, M Brisson
OBJECTIVE: Previous HPV models have only included genital transmission, when evidence suggests that transmission between several anatomical sites occurs. We compared model predictions of population-level HPV vaccination effectiveness against genital HPV16 infection in women, using a 1) uni-site (genital site), and a 2) multi-site model (genital and one extragenital site). METHODS: We developed a uni-site and a multi-site deterministic HPV transmission model, assuming natural immunity was either site-specific or systemic...
August 25, 2017: Epidemics
https://www.readbyqxmd.com/read/28915402/complete-immunization-coverage-and-its-determinants-among-children-in-malaysia-findings-from-the-national-health-and-morbidity-survey-nhms-2016
#20
K K Lim, Y Y Chan, A Noor Ani, J Rohani, Z A Siti Norfadhilah, M R Santhi
OBJECTIVES: The success of the Expanded Program on Immunization among children will greatly reduce the burden of illness and disability from vaccine preventable diseases. The aim of the study was to evaluate the complete immunization coverage and its determinants among children aged 12-23 months in Malaysia. STUDY DESIGN: Cross-sectional study. METHODS: Data on immunization were extracted from the 2016 National Health and Morbidity Survey...
September 12, 2017: Public Health
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