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https://www.readbyqxmd.com/read/28654008/exposure-to-perfluorinated-alkyl-substances-and-health-outcomes-in-children-a-systematic-review-of-the-epidemiologic-literature
#1
Kristen M Rappazzo, Evan Coffman, Erin P Hines
Perfluoroalkyl substances (PFAS), chemicals used to make products stain and stick resistant, have been linked to health effects in adults and adverse birth outcomes. A growing body of literature also addresses health effects in children exposed to PFAS. This review summarizes the epidemiologic evidence for relationships between prenatal and/or childhood exposure to PFAS and health outcomes in children as well as to provide a risk of bias analysis of the literature. A systematic review was performed by searching PubMed for studies on PFAS and child health outcomes...
June 27, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28651840/the-role-of-anti-nhba-antibody-in-bactericidal-activity-elicited-by-the-meningococcal-serogroup-b-vaccine-menb-4c
#2
Elizabeth Partridge, Eduardo Lujan, Serena Giuntini, David M Vu, Dan M Granoff
BACKGROUND: MenB-4C (Bexsero®) is a multicomponent serogroup B meningococcal vaccine. For vaccine licensure, efficacy was inferred from serum bactericidal antibody (SBA) against three antigen-specific indicator strains. The bactericidal role of antibody to the fourth vaccine antigen, Neisserial Heparin binding antigen (NHba), is incompletely understood. METHODS: We identified nine adults immunized with two or three doses of MenB-4C who had sufficient volumes of sera and >3-fold increases in SBA titer against a strain with high NHba expression, which was mismatched with the other three MenB-4C antigens that elicit SBA...
June 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28651838/progress-and-challenges-in-measles-and-rubella-elimination-in-the-who-european-region
#3
Siddhartha Sankar Datta, Patrick Michael O'Connor, Dragan Jankovic, Mark Muscat, Myriam Corrine Ben Mamou, Simarjit Singh, Theodoros Kaloumenos, Susan Reef, Mark Papania, Robb Butler
INTRODUCTION: Despite availability of safe and cost-effective vaccines to prevent it, measles remains one of the significant causes of death among children under five years of age globally. The World Health Organization (WHO) European Region has seen a drastic decline in measles and rubella cases in recent years, and a few of the once common measles genotypes are no longer detected. Buoyed by this success, all Member States of the Region reconfirmed their commitment in 2010 to eliminating measles and rubella, and made this a central objective of the European Vaccine Action Plan 2015-2020 (EVAP)...
June 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28651399/-immune-response-to-one-booster-dose-of-inactivated-hepatitis-a-vaccine-in-college-students
#4
Z Liao, X W Feng, X E Liu, Y S Zhou, H R Wen, S H Peng, Y X Zhang, B Xu, H Zhuang, H Y Chen
Objective: To evaluate the safety and immunogenicity of one booster dose of inactivated hepatitis A vaccine in young adults. Methods: The subjects were selected from participants in the clinical trial of immunogenicity of inactivated and attenuated live hepatitis A vaccine in young adults. Eligible subjects were those who had received one dose of inactivated or attenuated hepatitis A vaccine, could be contacted and were sero-negative before primary vaccination. All qualified subjects were immunized with one booster dose of inactivated hepatitis A vaccine...
May 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28651021/natural-immune-response-to-plasmodium-vivax-alpha-helical-coiled-coil-protein-motifs-and-its-association-with-the-risk-of-p-vivax-malaria
#5
Nora Céspedes, Connie S N Li Wai Suen, Cristian Koepfli, Camila T França, Ingrid Felger, Issa Nebie, Myriam Arévalo-Herrera, Ivo Mueller, Giampietro Corradin, Sócrates Herrera
Protein α-helical coiled coil structures are known to induce antibodies able to block critical functions in different pathogens. In a previous study, a total of 50 proteins of Plasmodium vivax erythrocytic asexual stages containing α-helical coiled coil structural motifs were identified in silico, and the corresponding peptides were chemically synthesized. A total of 43 peptides were recognized by naturally acquired antibodies in plasma samples from both Papua New Guinea (PNG) and Colombian adult donors. In this study, the association between IgG antibodies to these peptides and clinical immunity was further explored by measuring total IgG antibody levels to 24 peptides in baseline samples from a longitudinal study of children aged 1-3 years (n = 164) followed for 16 months...
2017: PloS One
https://www.readbyqxmd.com/read/28650274/intranasal-administration-of-whole-inactivated-influenza-virus-vaccine-as-a-promising-influenza-vaccine-candidate
#6
Akira Ainai, Tadaki Suzuki, Shin-Ichi Tamura, Hideki Hasegawa
The effect of the current influenza vaccine, an inactivated virus vaccine administered by subcutaneous/intramuscular injection, is limited to reducing the morbidity and mortality associated with seasonal influenza outbreaks. Intranasal vaccination, by contrast, mimics natural infection and induces not only systemic IgG antibodies but also local secretory IgA (S-IgA) antibodies found on the surface of the mucosal epithelium in the upper respiratory tract. S-IgA antibodies are highly effective at preventing virus infection...
June 26, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28648543/seasonal-influenza-vaccine-effectiveness-against-laboratory-confirmed-influenza-hospitalizations-latin-america-2013
#7
Nathalie El Omeiri, Eduardo Azziz-Baumgartner, Mark G Thompson, Wilfrido Clará, Mauricio Cerpa, Rakhee Palekar, Sara Mirza, Alba María Ropero-Álvarez
BACKGROUND: Despite widespread utilization of influenza vaccines, effectiveness (VE) has not been routinely measured in Latin America. METHODS: We used a case test-negative control design to estimate trivalent inactivated influenza VE against laboratory-confirmed influenza among hospitalized children aged 6months-5years and adults aged ≥60years which are age-groups targeted for vaccination. We sought persons with severe acute respiratory infections (SARI), hospitalized at 71 sentinel hospitals in Argentina, Brazil, Chile, Colombia, Costa Rica, El Salvador, Honduras, Panama, and Paraguay during January-December 2013...
June 22, 2017: Vaccine
https://www.readbyqxmd.com/read/28648390/clinical-and-microbiological-characteristics-of-unusual-manifestations-of-invasive-pneumococcal-disease
#8
Adrian Sousa, Maria Teresa Pérez-Rodríguez, Andrés Nodar, Lucía Martínez-Lamas, Francisco Jose Vasallo, Maximiliano Álvarez-Fernández, Manuel Crespo
INTRODUCTION: Invasive pneumococcal disease (IPD) typically presents as bacterial pneumonia, meningitis or primary bacteraemia. However, Streptococcus pneumoniae can produce infection at any level of the body (endocarditis, arthritis, spontaneous bacterial peritonitis, etc.), which is also known as unusual IPD (uIPD). There are very limited data available about the clinical and microbiological profile of these uncommon manifestations of pneumococcal disease. Our aim was to analyse clinical forms, microbiological profile, epidemiology and prognosis of a cohort of patients with unusual invasive pneumococcal disease (uIPD)...
June 22, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28647455/comparison-of-mucosal-lining-fluid-sampling-methods-and-influenza-specific-iga-detection-assays-for-use-in-human-studies-of-influenza-immunity
#9
Thushan I de Silva, Victoria Gould, Nuredin I Mohammed, Alethea Cope, Adam Meijer, Ilse Zutt, Johan Reimerink, Beate Kampmann, Katja Hoschler, Maria Zambon, John S Tregoning
We need greater understanding of the mechanisms underlying protection against influenza virus to develop more effective vaccines. To do this, we need better, more reproducible methods of sampling the nasal mucosa. The aim of the current study was to compare levels of influenza virus A subtype-specific IgA collected using three different methods of nasal sampling. Samples were collected from healthy adult volunteers before and after LAIV immunization by nasal wash, flocked swabs and Synthetic Absorptive Matrix (SAM) strips...
June 21, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28647168/communicating-infectious-disease-prevalence-through-graphics-results-from-an-international-survey
#10
Angela Fagerlin, Thomas S Valley, Aaron M Scherer, Megan Knaus, Enny Das, Brian J Zikmund-Fisher
BACKGROUND: Graphics are increasingly used to represent the spread of infectious diseases (e.g., influenza, Zika, Ebola); however, the impact of using graphics to adequately inform the general population is unknown. OBJECTIVE: To examine whether three ways of visually presenting data (heat map, dot map, or picto-trendline)-all depicting the same information regarding the spread of a hypothetical outbreak of influenza-influence intent to vaccinate, risk perception, and knowledge...
June 2, 2017: Vaccine
https://www.readbyqxmd.com/read/28647166/clinical-development-of-a-recombinant-ebola-vaccine-in-the-midst-of-an-unprecedented-epidemic
#11
Beth-Ann G Coller, Jeffrey Blue, Rituparna Das, Sheri Dubey, Lynn Finelli, Swati Gupta, Frans Helmond, Rebecca J Grant-Klein, Kenneth Liu, Jakub Simon, Sean Troth, Susan VanRheenen, Julie Waterbury, Ashley Wivel, Jayanthi Wolf, D Gray Heppner, Tracy Kemp, Rick Nichols, Thomas P Monath
The 2014-2016 Ebola outbreak caused over 28,000 cases and 11,000 deaths. Merck & Co. Inc., Kenilworth, NJ USA and NewLink Genetics are working with private and public partners to develop and license an Ebola vaccine that was evaluated extensively during the outbreak. The vaccine referred to as V920 is a recombinant vesicular stomatitis virus (rVSV) in which the VSV-G envelope glycoprotein (GP) is completely replaced by the Zaire ebolavirus GP (rVSVΔG-ZEBOV-GP). Eight Phase I and four Phase II/III clinical trials enrolling approximately 17,000 subjects were conducted in parallel to the outbreak to assess the safety, immunogenicity, and/or efficacy of V920...
June 21, 2017: Vaccine
https://www.readbyqxmd.com/read/28646959/is-chickenpox-so-bad-what-do-we-know-about-immunity-to-varicella-zoster-virus-and-what-does-it-tell-us-about-the-future
#12
Anne A Gershon
Varicella and zoster continue to cause significant morbidity and even mortality in children and adults. Complications include bacterial superinfection, central nervous system manifestations such as meningitis, encephalitis, and cerebellar ataxia, and pain syndromes especially post herpetic neuralgia. Many developed countries but not all, are now administering live attenuated varicella vaccine routinely, with a decrease in the incidence of disease, providing personal and herd immunity. There is some controversy, however, in some countries concerning whether a decrease in the circulation of wild type virus will result in loss of immunity to VZV in persons who have already had varicella...
June 2017: Journal of Infection
https://www.readbyqxmd.com/read/28646697/seroepidemiology-of-whooping-cough-in-the-czech-republic-estimates-of-incidence-of-infection-in-adults
#13
R Chlibek, J Smetana, R Sosovickova, K Fabianova, J Zavadilova, P Dite, P Gal, P Naplava, D Lzicarova
OBJECTIVES: Despite widespread vaccination programmes, pertussis remains a significant health burden in many countries. Low awareness of the disease, the high rate of asymptomatic cases in adults and difficulties with diagnosis could explain the under-reporting of pertussis. The lack of data on actual incidence constitutes an obstacle for public health authorities for the implementation of a vaccination strategy against pertussis in adults. The aim of this study was to evaluate the seroprevalence of antibodies against Bordetella pertussis infection in adults and to estimate the actual incidence of the disease compared with the reported incidence...
June 21, 2017: Public Health
https://www.readbyqxmd.com/read/28645564/immunotherapy-holds-the-key-to-cancer-treatment-and-prevention-in-constitutional-mismatch-repair-deficiency-cmmrd-syndrome
#14
Harm Westdorp, Sigrid Kolders, Nicoline Hoogerbrugge, I Jolanda M de Vries, Marjolijn C J Jongmans, Gerty Schreibelt
Monoallelic germline mutations in one of the DNA mismatch repair (MMR) genes cause Lynch syndrome, with a high lifetime risks of colorectal and endometrial cancer at adult age. Less well known, is the constitutional mismatch repair deficiency (CMMRD) syndrome caused by biallelic germline mutations in MMR genes. This syndrome is characterized by the development of childhood cancer. Patients with CMMRD are at extremely high risk of developing multiple cancers including hematological, brain and intestinal tumors...
June 20, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28644591/a-heart-for-travel-travel-health-considerations-for-patients-with-heart-disease-and-cardiac-devices
#15
G Flaherty, S De Freitas
Cardiovascular disease is the leading cause of death in adult international travellers. Patients living with heart disease should receive specific, individualised pre-travel health advice. The purpose of this article is to provide evidence-based advice to physicians who are consulted by travellers with cardiovascular disease. Fitness-to-travel evaluation will often be conducted by the general practitioner but other medical specialists may also be consulted for advice. Patients with chronic medical conditions should purchase travel health insurance...
December 12, 2016: Irish Medical Journal
https://www.readbyqxmd.com/read/28643674/microbiological-and-serological-control-of-escherichia-coli-o157-h7-in-kindergarten-staff-in-buenos-aires-city-and-suburban-areas
#16
Romina J Fernández-Brando, María Marta Amaral, Andrés E Ciocchini, Leticia V Bentancor, Jorge A Trelles, Marcelo Da Rocha, Martín Landriel, Mariana Ugarte, Gabriel Briones, Cristina Ibarra, Marina S Palermo
Shiga toxin (Stx)-producing Escherichia coli (STEC) infections are implicated in the development of the life-threatening hemolytic-uremic syndrome (HUS). Despite the magnitude of the social and economic problems caused by HUS, no licensed vaccine or effective therapy is currently available for human use. Prevention of STEC infections continues being the most important measure to reduce HUS incidence. This is especially true for Argentina where HUS incidence among children is extremely high and shows an endemic pattern...
2017: Medicina
https://www.readbyqxmd.com/read/28643091/sylvatic-plague-vaccine-partially-protects-prairie-dogs-cynomys-spp-in-field-trials
#17
Tonie E Rocke, Daniel W Tripp, Robin E Russell, Rachel C Abbott, Katherine L D Richgels, Marc R Matchett, Dean E Biggins, Randall Griebel, Greg Schroeder, Shaun M Grassel, David R Pipkin, Jennifer Cordova, Adam Kavalunas, Brian Maxfield, Jesse Boulerice, Michael W Miller
Sylvatic plague, caused by Yersinia pestis, frequently afflicts prairie dogs (Cynomys spp.), causing population declines and local extirpations. We tested the effectiveness of bait-delivered sylvatic plague vaccine (SPV) in prairie dog colonies on 29 paired placebo and treatment plots (1-59 ha in size; average 16.9 ha) in 7 western states from 2013 to 2015. We compared relative abundance (using catch per unit effort (CPUE) as an index) and apparent survival of prairie dogs on 26 of the 29 paired plots, 12 with confirmed or suspected plague (Y...
June 22, 2017: EcoHealth
https://www.readbyqxmd.com/read/28641772/susac-syndrome-a-differential-diagnosis-of-white-matter-lesions
#18
Mariano Marrodan, Jorge Correale, Lucas Alessandro, Mariela Amaya, Maria Eugenia Fracaro, Alejandro Alfredo Köhler, Marcela Fiol
INTRODUCTION: Susac Syndrome is an autoimmune endotheliopathy affecting capillaries and precapillary arterioles of the brain, inner ear and retina. The classic symptom triad includes visual disturbances, hypoacusia, and encephalopathy, but is rarely fully manifest at onset. The syndrome typically follows an active fluctuating monophasic course. Typical imaging findings on brain magnetic resonance show central fiber microischemias/microinfarctions of the corpus callosum known as "snow balls", as well as lineal infarcts and upper callosal fiber involvement...
July 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28640919/the-measles-epidemic-trend-over-the-past-30-years-in-a-central-district-in-shanghai-china
#19
Jie Gao, Bing Shen, JianJing Xiong, Yihan Lu, Qingwu Jiang
BACKGROUND: Measles vaccination over the past 50 years has greatly reduced the incidence of measles. However, measles among migrants and the resulting changes in epidemiological characteristics have brought new challenges to the elimination of measles. We aim to describe the measles epidemic trend over the past 30 years in a central district in Shanghai, China. METHODS: The present study was conducted in the Jing'an District, which is located in the center of Shanghai...
2017: PloS One
https://www.readbyqxmd.com/read/28639095/knowledge-awareness-and-prevention-of-hepatitis-b-virus-infection-among-korean-american-parents
#20
Sarah Hyun, Seulgi Lee, William R Ventura, Joseph McMenamin
Hepatitis B (HB) affects 240 million people around the world, and children and young adults make up a large proportion of the infected population. Approximately 1 million people die from HB each year. Despite the seriousness of HB and its complications, many are poorly linked to clinical care. A lack of health literacy may be a critical barrier hindering access to HB care for adults as well as children in these populations. We, therefore, performed a survey to assess the level of knowledge of HB among Korean American parents...
June 21, 2017: Journal of Immigrant and Minority Health
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