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Influenza vaccines

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https://www.readbyqxmd.com/read/28448963/paradoxical-aging-in-hiv-immune-senescence-of-b-cells-is-most-prominent-in-young-age
#1
Stefano Rinaldi, Suresh Pallikkuth, Varghese K George, Lesley R de Armas, Rajendra Pahwa, Celeste M Sanchez, Maria Fernanda Pallin, Li Pan, Nicola Cotugno, Gordon Dickinson, Allan Rodriguez, Margaret Fischl, Maria Alcaide, Louis Gonzalez, Paolo Palma, Savita Pahwa
Combination antiretroviral therapies (cART)can lead to normal life expectancy in HIV-infected persons, and people aged >50 yrs represent the fastest growing HIV group. Although HIV and aging are independently associated with impaired humoral immunity, immune status in people aging with HIV is relatively unexplored. In this study influenza vaccination was used to probe age associated perturbations in the B cell compartment of HIV-negative "healthy controls" (HC) and virologically controlled HIV-infected participants on cART (HIV) (n=124), grouped by age as young (<40 yrs), middle-aged (40-59yrs) or old (>60 yrs)...
April 27, 2017: Aging
https://www.readbyqxmd.com/read/28448208/explanations-for-not-receiving-the-seasonal-influenza-vaccine-an-ontario-canada-based-survey
#2
Samantha B Meyer, Rebecca Lum
Despite evidence of the importance of the seasonal influenza vaccine for both individual and population health, only a third of the Ontario population received the vaccine in 2013/2014. The objective of this study was to identify why Ontarians are not getting the seasonal influenza vaccine. Written responses to the question "Why didn't you get the seasonal flu vaccine in the last flu season?" were deductively analyzed using the Conceptual Model of Vaccine Hesitancy. Inductive coding was also conducted to identify explanations that fall outside of the present model and may be unique to the seasonal influenza vaccine...
April 27, 2017: Journal of Health Communication
https://www.readbyqxmd.com/read/28446740/biological-risk-among-agriculture-and-construction-workers-in-molise-region-central-italy
#3
Manuela Tamburro, Vincenza Anzelmo, Paolo Bianco, Michela Lucia Sammarco, Francesco Salierno, Giancarlo Ripabelli
BACKGROUND: Biological risk is a significant issue in workplaces due to continuous modification of work organization and condition. OBJECTIVES: In this pilot study, perception and knowledge of biological risk, as well as adoption of prevention measures were evaluated among construction and agriculture workers. METHODS: A structured questionnaire was administered to workers to collect socio-demographic and employment information, in addition to data on risk perception and knowledge, and adoption of preventive measures, including those related to work activities...
April 21, 2017: La Medicina del Lavoro
https://www.readbyqxmd.com/read/28446441/long-term-persistence-of-cell-mediated-and-humoral-responses-to-a-h1n1-pdm09-influenza-virus-vaccines-and-the-role-of-the-as03-adjuvant-system-in-adults-during-two-randomized-controlled-trials
#4
Robbert G van der Most, Frédéric Clément, Julie Willekens, Walthère Dewé, Karl Walravens, David W Vaughn, Geert Leroux-Roels
We investigated the role of AS03, an α-tocopherol oil-in-water-emulsion-based Adjuvant System, on the long-term persistence of humoral and cell-mediated immune responses to A(H1N1)pdm09 influenza vaccines. In two studies (NCT00968539/NCT00989287), a total of 261 healthy adults (age ≤60 years) were randomized to receive two doses of AS03-adjuvanted vaccine containing 3.75 μg hemagglutinin, or non-adjuvanted vaccine containing 15 μg hemagglutinin (in Study A) or 3.75 μg hemagglutinin (in Study B), 21 days apart...
April 26, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28444974/school-based-surveillance-for-influenza-vaccine-effectiveness-during-2014-15-seasons-in-hong-kong
#5
Ting F Leung, Renee W Y Chan, Angela Kwok, Wendy C S Ho, Mars K P Tao, Kam L Hon, Frankie W T Cheng, Albert M Li, Paul K S Chan
BACKGROUND: Influenza imposes substantial healthcare burden in children, which can be prevented by vaccination. Influenza vaccination coverage varies widely among childhood populations worldwide, which has significant impact on herd immunity and usefulness of influenza vaccine. However, there is limited real-life data on influenza vaccine effectiveness (VE) in children. OBJECTIVE: This prospective study aimed to investigate clinical spectrum of childhood influenza and VE in preventing influenza in Hong Kong children...
April 26, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/28443565/influenza-and-pneumonia-vaccination-rates-and-factors-affecting-vaccination-among-patients-with-chronic-obstructive-pulmonary-disease
#6
Ülkü Aka Aktürk, Aslı Görek Dilektaşlı, Aysun Şengül, Banu Musaffa Salepçi, Nuray Oktay, Mustafa Düger, Hale Arık Taşyıkan, Nagihan Durmuş Koçak
BACKGROUND: Influenza and pneumococcal vaccinations are recommended in COPD patients to decrease associated risks at all stages. Although the prevalence of COPD is high in our country, as previously reported vaccination rates are low. AIMS: To assess the vaccination rates of COPD patients and factors that may affect these. STUDY DESIGN: Multi-center cross-sectional study. RESULTS: The average age of the 296 included patients was 66...
April 6, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28441935/direct-and-indirect-effects-of-influenza-vaccination
#7
Martin Eichner, Markus Schwehm, Linda Eichner, Laetitia Gerlier
BACKGROUND: After vaccination, vaccinees acquire some protection against infection and/or disease. Vaccination, therefore, reduces the number of infections in the population. Due to this herd protection, not everybody needs to be vaccinated to prevent infections from spreading. METHODS: We quantify direct and indirect effects of influenza vaccination examining the standard Susceptible-Infected-Recovered (SIR) and Susceptible-Infected-Recovered-Susceptible (SIRS) model as well as simulation results of a sophisticated simulation tool which allows for seasonal transmission of four influenza strains in a population with realistic demography and age-dependent contact patterns...
April 26, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28440668/tweeting-influenza-vaccine-to-cardiovascular-health-community
#8
Chayakrit Krittanawong, Anusith Tunhasiriwet, Sakkarin Chirapongsathorn, Takeshi Kitai
Globally, among infectious diseases, influenza is one of the leading causes of morbidity and mortality. Individuals with chronic conditions, including cardiovascular disease and diabetes, are particularly vulnerable to complications of an influenza infection. The European Society of Cardiology recommended annual influenza vaccinations for patients with cardiovascular disease. Numerous studies have suggested a link between influenza and increased risk of cardiovascular events. Despite its proven benefits, little is known about the reason for the underutilization of influenza vaccination...
April 1, 2017: European Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/28438409/health-workers-attitudes-perceptions-and-knowledge-of-influenza-immunization-in-lima-peru-a-mixed-methods-study
#9
Magdalena Bazán, Erika Villacorta, Gisella Barbagelatta, M Michelle Jimenez, Cecilia Goya, Rosario M Bartolini, Mary E Penny
BACKGROUND: Vaccination against seasonal influenza in health workers is recommended but coverage is variable. This study aimed to determine coverage of influenza vaccination among health workers in Lima, Peru in 2010; explore barriers and enabling elements for vaccination; and suggest strategies to improve coverage. METHODS: Qualitative interviews informed the development of a survey instrument that consisted of open and close-ended questions. Sub-analyses were done by occupational group and results were calculated as percentages for each possible response with confidence intervals of 95%...
April 21, 2017: Vaccine
https://www.readbyqxmd.com/read/28437536/influenza-vaccination-in-the-first-trimester-of-pregnancy-and-risk-of-autism-spectrum-disorder
#10
Alberto Donzelli, Alessandro Schivalocchi, Alessandro Battaggia
No abstract text is available yet for this article.
April 24, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28437533/influenza-vaccination-in-the-first-trimester-of-pregnancy-and-risk-of-autism-spectrum-disorder
#11
Brian S Hooker
No abstract text is available yet for this article.
April 24, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28437530/influenza-vaccination-in-the-first-trimester-of-pregnancy-and-risk-of-autism-spectrum-disorder-reply
#12
Ousseny Zerbo, Nicola P Klein, Lisa A Croen
No abstract text is available yet for this article.
April 24, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28435679/targeting-the-pro-inflammatory-factor-ccl2-mcp-1-with-bindarit-for-influenza-a-h7n9-treatment
#13
Stefan Wolf, Scott Johnson, Olivia Perwitasari, Suresh Mahalingam, Ralph A Tripp
Influenza A viruses are important human and animal pathogens. Seasonal influenza viruses cause infections every year, and occasionally zoonotic viruses emerge to cause pandemics with significantly higher morbidity and mortality rates. Three cases of laboratory confirmed human infection with avian influenza A (H7N9) virus were reported in 2013, and there have been several cases reported across South East Asia, and recently in North America. Most patients experience severe respiratory illness, with mortality rates approaching 40%...
March 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28435676/understanding-cd8-t-cell-responses-toward-the-native-and-alternate-hla-a-02-01-restricted-wt1-epitope
#14
Thi Ho Nguyen, Amabel Cl Tan, Sue D Xiang, Anne Goubier, Kim L Harland, E Bridie Clemens, Magdalena Plebanski, Katherine Kedzierska
The Wilms' tumor 1 (WT1) antigen is expressed in solid and hematological malignancies, but not healthy tissues, making it a promising target for cancer immunotherapies. Immunodominant WT1 epitopes, the native HLA-A2/WT1126-134 (RMFPNAPYL) (HLA-A2/RMFPNAPYL epitope (WT1A)) and its modified variant YMFPNAPYL (HLA-A2/YMFPNAPYL epitope (WT1B)), can induce WT1-specific CD8(+) T cells, although WT1B is more stably bound to HLA-A*02:01. Here, to further determine the benefits of those two targets, we assessed the naive precursor frequencies; immunogenicity and cross-reactivity of CD8(+) T cells directed toward these two WT1 epitopes...
March 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28434418/beliefs-and-attitudes-towards-the-influenza-vaccine-in-high-risk-individuals
#15
A J Santos, I Kislaya, A Machado, B Nunes
Societal and economic impact of influenza is mainly due to influenza infection of specific groups, who are at higher risk of health complications leading up to hospitalisation or death. In this study we applied the health belief model (HBM) to evaluate beliefs and attitudes towards influenza disease and vaccine in community-dwelling high-risk individuals (aged 65 or more or having a chronic disease). We conducted a mixed-method study using data collected through a telephone survey of a household unit sample...
April 24, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28433777/design-and-expeditious-synthesis-of-organosilanes-as-potent-antivirals-targeting-multidrug-resistant-influenza-a-viruses
#16
Yanmei Hu, Yuanxiang Wang, Fang Li, Chunlong Ma, Jun Wang
The efficacy of current influenza vaccines and small molecule antiviral drugs is curtailed by the emerging of multidrug-resistant influenza viruses. As resistance to the only FDA-approved oral influenza antiviral, oseltamivir (Tamiflu), continues to rise, there is a clear need to develop the next-generation of antiviral drugs. Since more than 95% of current circulating influenza A viruses carry the S31N mutation in their M2 genes, the AM2-S31N mutant proton channel represents an attractive target for the development of broad-spectrum antivirals...
April 19, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28433705/maternal-immunisation-collaborating-with-mother-nature
#17
REVIEW
Arnaud Marchant, Manish Sadarangani, Mathieu Garand, Nicolas Dauby, Valerie Verhasselt, Lenore Pereira, Gordean Bjornson, Christine E Jones, Scott A Halperin, Kathryn M Edwards, Paul Heath, Peter J Openshaw, David W Scheifele, Tobias R Kollmann
Maternal immunisation has the potential to substantially reduce morbidity and mortality from infectious diseases after birth. The success of tetanus, influenza, and pertussis immunisation during pregnancy has led to consideration of additional maternal immunisation strategies to prevent group B streptococcus and respiratory syncytial virus infections, among others. However, many gaps in knowledge regarding the immunobiology of maternal immunisation prevent the optimal design and application of this successful public health intervention...
April 19, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28433704/pertussis-and-influenza-immunisation-during-pregnancy-a-landscape-review
#18
REVIEW
Bahaa Abu Raya, Kathryn M Edwards, David W Scheifele, Scott A Halperin
Immunisation during pregnancy is a relatively new strategy, and is currently limited to tetanus, pertussis, and influenza vaccines. None of these vaccines were developed specifically for use in pregnancy, but they provide an effective method of protecting mothers and young infants. In response to increases in pertussis morbidity and mortality among young infants, several countries have recommended universal tetanus, diphtheria, and acellular pertussis immunisation during pregnancy. Similarly, many countries recommend influenza immunisation during pregnancy to reduce the risk of disease for mother and infant...
April 19, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28432494/primary-prevention-and-screening-practices-among-long-term-breast-cancer-survivors
#19
Lori Mandelzweig, Angela Chetrit, Tova Amitai, Barbara Silverman, Nava Siegelmann-Danieli, Siegal Sadetzki
PURPOSE: Parallel to increasing survival of breast cancer (BC) patients, a need has arisen to characterize the follow-up required to improve and maintain their health. Our study aimed to assess changes in lifestyle habits over time among the study population, compare compliance rates of selected primary and secondary prevention practices between long-term BC survivors and an age-matched comparison group, and identify factors associated with compliance to these practices. METHODS: The study population comprised 250 Israeli BC survivors, diagnosed with BC between 1999 and 2003, without evidence of disease after 8-12 years, and 250 women with no cancer history, individually matched to survivors by age and area of residence...
April 21, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28432192/evidence-that-avian-influenza-vaccination-induces-long-lived-immune-responses-in-zoo-birds
#20
H Fernández-Bellon, J Vergara-Alert, V Almagro, R Rivas, N Majó, N Busquets, A Ramis
No abstract text is available yet for this article.
April 21, 2017: Veterinary Record
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