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https://www.readbyqxmd.com/read/29165783/after-action-review-of-the-2009-10-h1n1-influenza-outbreak-response-ohio-s-public-health-system-s-performance
#1
William A Mase, Beth Bickford, Casey L Thomas, Shamika D Jones, Michael Bisesi
OBJECTIVE: In early 2009, H1N1 influenza was identified within the human population. Centers for Disease Control and Prevention (CDC) officials responded with focused assessment, policy development, and assurances. The response was mobilized through efforts including procurement of adequate vaccine supply, local area span of control, materials acquisition, and facilities and resource identification. METHODS: Qualitative evaluation of the assurance functions specific to the system's ability to assure safe and healthy conditions are reported...
September 2017: Journal of Emergency Management: JEM
https://www.readbyqxmd.com/read/29163402/pharmacological-induction-of-heme-oxygenase-1-impairs-nuclear-accumulation-of-herpes-simplex-virus-capsids-upon-infection
#2
Francisco J Ibáñez, Mónica A Farías, Angello Retamal-Díaz, Janyra A Espinoza, Alexis M Kalergis, Pablo A González
Heme oxygenase-1 (HO-1) is an inducible enzyme that is expressed in response to physical and chemical stresses, such as ultraviolet radiation, hyperthermia, hypoxia, reactive oxygen species (ROS), as well as cytokines, among others. Its activity can be positively modulated by cobalt protoporphyrin (CoPP) and negatively by tin protoporphirin (SnPP). Once induced, HO-1 degrades iron-containing heme into ferrous iron (Fe(2+)), carbon monoxide (CO) and biliverdin. Importantly, numerous products of HO-1 are cytoprotective with anti-apoptotic, anti-oxidant, anti-inflammatory, and anti-cancer effects...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29162476/prevention-and-treatment-of-respiratory-viral-infections-presentations-on-antivirals-traditional-therapies-and-host-directed-interventions-at-the-5th-isirv-antiviral-group-conference
#3
Jennifer L McKimm-Breschkin, Shibo Jiang, David S Hui, John H Beigel, Elena A Govorkova, Nelson Lee
The International Society for Influenza and other Respiratory Virus Diseases held its 5th Antiviral Group (isirv-AVG) Conference in Shanghai, China, in conjunction with the Shanghai Public Health Center and Fudan University from 14-16 June, 2017. The three-day programme encompassed presentations on some of the clinical features, management, immune responses and virology of respiratory infections, including influenza A(H1N1)pdm09 and A(H7N9) viruses, MERS-CoV, SARS-CoV, adenovirus Type 80, enterovirus D68, metapneumovirus and respiratory syncytial virus (RSV)...
November 18, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29162320/controlled-human-infections-a-report-from-the-controlled-human-infection-models-workshop-leiden-university-medical-centre-4-6-may-2016
#4
Meta Roestenberg, Annie Mo, Peter G Kremsner, Maria Yazdanbakhsh
The principle of deliberately infecting humans with infectious agents in a controlled setting, so-called controlled human infections (CHI), is not novel. Many CHI models have a long history and were established decades ago such as the intentional exposure to yellow fever and dengue performed in the 1900's (Reed, 1902) [2]. In these times bioethics and scientific reasoning were in their infancy. Nowadays, clinical trials are highly regulated and CHI are executed worldwide. Controlled human malaria infections and influenza infections are the two most frequently practiced...
November 18, 2017: Vaccine
https://www.readbyqxmd.com/read/29162037/icu-treated-influenza-a-h1n1-pdm09-infections-more-severe-post-pandemic-than-during-2009-pandemic-a-retrospective-analysis
#5
Pekka Ylipalosaari, Tero I Ala-Kokko, Jouko Laurila, Lauri Ahvenjärvi, Hannu Syrjälä
BACKGROUND: We compared in a single mixed intensive care unit (ICU) patients with influenza A(H1N1) pdm09 between pandemic and postpandemic periods. METHODS: Retrospective analysis of prospectively collected data in 2009-2016. Data are expressed as median (25th-75th percentile) or number (percentile). RESULTS: Seventy-six influenza A(H1N1) pdm09 patients were admitted to the ICU: 16 during the pandemic period and 60 during the postpandemic period...
November 21, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29161078/obesity-impairs-the-adaptive-immune-response-to-influenza-virus
#6
William D Green, Melinda A Beck
Influenza, a highly contagious respiratory tract infection, affects millions of adults and children each year. Several high-risk populations include children, the elderly, the immunocompromised, and recently the obese. Given the dramatic rise in obesity over the past few decades, this increased risk for influenza infection poses a serious public health threat because nearly 500 million adults and children worldwide are classified as obese. Obesity impairs the immune response to influenza and influenza vaccination through alterations of the cellular immune system...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29160679/back-to-basics-five-steps-to-better-influenza-vaccination-rates
#7
Johnny Stoeckle, Amy Cunningham, Victor Diaz, George Valko, Christine Arenson
No abstract text is available yet for this article.
November 2017: Family Practice Management
https://www.readbyqxmd.com/read/29159597/universal-influenza-virus-vaccines-what-can-we-learn-from-the-human-immune-response-following-exposure-to-h7-subtype-viruses
#8
REVIEW
Daniel Stadlbauer, Raffael Nachbagauer, Philip Meade, Florian Krammer
Several universal influenza virus vaccine candidates based on eliciting antibodies against the hemagglutinin stalk domain are in development. Typically, these vaccines induce responses that target group 1 or group 2 hemagglutinins with little to no cross-group reactivity and protection. Similarly, the majority of human anti-stalk monoclonal antibodies that have been isolated are directed against group 1 or group 2 hemagglutinins with very few that bind to hemagglutinins of both groups. Here we review what is known about the human humoral immune response to vaccination and infection with H7 subtype influenza viruses on a polyclonal and monoclonal level...
November 20, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/29157960/immune-responses-to-intradermal-and-intramuscular-inactivated-influenza-vaccine-among-older-age-group
#9
Kobporn Boonnak, Jittima Dhitavat, Narumon Thantamnu, Nathamon Kosoltanapiwat, Montida Auayporn, Li Jiang, Pilaipan Puthavathana, Punnee Pitisuttithum
BACKGROUD: Influenza viruses cause substantial morbidity, especially in older age groups. Thus, they are amongst high priority groups for routine vaccination. However, vaccine-induced immune responses and effectiveness were reported as relatively low. This study aims to systemically compare the immune responses elicited by intramuscular (IM) and intradermal (ID) injections with inactivated seasonal influenza vaccine among the older age group. METHODS: A prospective, open-label, randomized study with a total of 221 adults (>60 years) were enrolled and randomized into 2 groups...
November 17, 2017: Vaccine
https://www.readbyqxmd.com/read/29157959/the-risk-of-lower-respiratory-tract-infection-following-influenza-virus-infection-a-systematic-and-narrative-review
#10
Ryan E Malosh, Emily T Martin, Justin R Ortiz, Arnold S Monto
BACKGROUND: Lower respiratory tract infections (LRTI) are a major cause of morbidity and mortality worldwide, particularly in young children and older adults. Influenza is known to cause severe disease but the risk of developing LRTI following influenza virus infection in various populations has not been systematically reviewed. Such data are important for estimating the impact specific influenza vaccine programs would have on LRTI outcomes in a community. We sought to review the published literature to determine the risk of developing LRTI following an influenza virus infection in individuals of any age...
November 17, 2017: Vaccine
https://www.readbyqxmd.com/read/29157813/anti-inflammatory-and-antiviral-activities-of-cynanversicoside-a-and-cynanversicoside-c-isolated-from-cynanchun-paniculatum-in-influenza-a-virus-infected-mice-pulmonary-microvascular-endothelial-cells
#11
Panying Wei, Tao Zhang, Hong Dong, Qiaohong Chen, Xiang Mu, Ge Hu
BACKGROUND: Outbreaks of the influenza A virus (IAV) often occur in various avian and mammalian species, including humans, causing serious respiratory injury worldwide. Therapeutic actions are limited to vaccines and a few antiviral drugs. Combination antiviral compounds and anti-inflammatory modulators to control the propagation of viruses would be more efficient therapeutic strategies for infectious diseases. PURPOSE: This study was designed to isolate anti-inflammatory and antiviral compounds from Cynanchun paniculatum and elucidate their potential molecular mechanisms...
December 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29157068/quadrivalent-inactivated-influenza-vaccine-vaxigriptetra%C3%A2
#12
Viviane Gresset-Bourgeois, Phillip S Leventhal, Stéphanie Pepin, Rosalind Hollingsworth, Marie-Pierre Kazek-Duret, Iris De Bruijn, Sandrine I Samson
VaxigripTetra™ (IIV4; Sanofi Pasteur) is a quadrivalent split-virion influenza vaccine approved in Europe in 2016 for individuals ≥ 3 years of age. IIV4 builds on the well-established record of the trivalent split-virion influenza vaccine (Vaxigrip®). Areas covered: This literature review summarizes the rationale for developing quadrivalent influenza vaccines and discusses the phase III clinical trial results supporting the immunogenicity, safety, and tolerability of IIV4. Expert Commentary: IIV4 is immunogenic and well tolerated...
November 20, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/29156815/the-effect-of-aspirin-on-circulating-netrin-1-levels-in-humans-is-dependent-on-the-inflammatory-status-of-the-vascular-endothelium
#13
Kerry Layne, Timothy Goodman, Albert Ferro, Gabriella Passacquale
In atherosclerotic animal models, the cyclo-oxygenase (COX)-inhibitor aspirin counteracts downregulation of endothelial-derived netrin-1, thus reducing arterial inflammation. We here explored the effect of aspirin on netrin-1 in healthy subjects undergoing influenza immunisation, which is an established experimental model of inflammation-related endothelial dysfunction. Our data showed that netrin-1 undergoes reduction (-29.25% from baseline; p=0.0017) in the presence of endothelial activation (VCAM-1 rose by 9...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155812/fluevidencesynthesis-an-r-package-for-evidence-synthesis-based-analysis-of-epidemiological-outbreaks
#14
Edwin van Leeuwen, Petra Klepac, Dominic Thorrington, Richard Pebody, Marc Baguelin
Public health related decisions often have to balance the cost of intervention strategies with the benefit of the reduction in disease burden. While the cost can often be inferred, forward modelling of the effect of different intervention options is complicated and disease specific. Here we introduce a package that is aimed to simplify this process. The package allows one to infer parameters using a Bayesian approach, perform forward modelling of the likely results of the proposed intervention and finally perform cost effectiveness analysis of the results...
November 20, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/29155214/optimization-of-trypsins-for-influenza-a-h1n1-virus-replication-in-mdck-si-6-cells-a-novel-mdck-cell-line
#15
Viska I Iskandar, Yutaka Sasaki, Naoto Yoshino, Raden Z R Abubakar, Shigehiro Sato, Yasushi Muraki
A cell-based vaccine production method for influenza virus may be an effective and more rapid alternative to egg-based systems. For high-yield virus production, the effect of bovine, porcine, fungal, and recombinant trypsins on influenza A/H1N1 virus replication in MDCK SI-6 cells (SI-6 cells), a novel MDCK cell line developed by our research group, was examined. SI-6 cells infected with influenza A/H1N1 virus were incubated in the presence of four trypsin types at various concentrations, and virus yields in the culture medium were evaluated by a hemagglutination (HA) assay...
November 16, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/29153912/-acute-epiglottitis-due-to-haemophilus-influenzae-b-a-severe-consequence-of-increased-skepticism-about-vaccination
#16
J Doutau, C Bost-Bru, A Gayot, I Wroblewski, I Pelloux, T Debillon, A Millet
Acute epiglottis is a life-threatening disease in relation with the occurrence of an acute upper airway obstruction. Its incidence has fallen dramatically since the widespread introduction of Haemophilus influenzae type b (Hib) conjugate vaccine. We report the case of a 26-month-old child who was not fully immunized and presented acute upper airway respiratory distress with fever. The symptoms quickly evolved to a respiratory arrest condition with bradycardia, revealing epiglottitis due to Hib. Despite high immunization coverage with great efficacy and occurrence of herd immunity, this entity still exists because of the French population's skepticism of the routine vaccination schedule...
November 16, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29153853/community-pharmacist-collaboration-with-a-patient-centered-medical-home-establishment-of-a-patient-centered-medical-neighborhood-and-payment-model
#17
Heidi R Luder, Pam Shannon, James Kirby, Stacey M Frede
OBJECTIVES: To determine the feasibility of a partnership between a community pharmacy and a patient-centered medical home (PCMH) by measuring the impact on office- and patient-level clinical outcomes. SETTING: Kroger Pharmacy and a PCMH practice in Cincinnati, OH. PRACTICE DESCRIPTION: The Kroger Co. is a large grocery store chain that operates 102 pharmacies in the Cincinnati-Dayton marketing area. The PCMH practice is an accredited PCMH office serving more than 9000 patients in the Cincinnati area...
November 15, 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/29153150/enhancing-the-role-of-vaccines-in-combatting-antimicrobial-resistance
#18
Charles Clift, David M Salisbury
Interest in addressing antimicrobial resistance (AMR) has grown recently but little effort has been made to consider how existing and new vaccines could impact on AMR. A 2017 Chatham House meeting considered the role of vaccines and how to demonstrate their value through their impact on AMR. Ways existing vaccines have reduced antibiotic prescribing and the prevalence of some resistant organisms were reviewed. Other new vaccines could have a similar impact. In gonorrhoea, where complete resistance has developed, vaccine may be the best option...
December 4, 2017: Vaccine
https://www.readbyqxmd.com/read/29153067/-detection-of-influenza-virus-infections-by-molecular-and-immunofluorescence-methods
#19
Deniz Yıldırım, Deniz Özdoğru Sağdıç, Buket Şeflek, Mehmet Çimentepe, İbrahim Bayram, Fügen Yarkın
Influenza virus infections are extremely important for human health due to the occurence of seasonal epidemics and pandemics worldwide. Influenza is associated with high morbidity and may result in serious complications such as life threatening viral or bacterial pneumonia. Especially, young children, older adults, patients with chronic diseases such as heart, lung, kidney, and diabetes and immunosuppressed people are at higher risk for complications and death from influenza virus infections. The aim of this study was to determine the incidence of influenza type A and B virus infections and influenza A virus subtypes in hospitalized patients with respiratory tract infections by real-time reverse transcriptase-polymerase chain reaction (RT-PCR, Sacace, Italy), conventional RT-PCR and direct immunofluorescence antibody (DFA, Argene SA, France) tests...
October 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29152878/potency-determination-of-inactivated-h7-influenza-vaccines-using-monoclonal-antibody-based-elisa-and-biolayer-interferometry-assays
#20
Anupama Vasudevan, Amy Woerner, Falko Schmeisser, Swati Verma, Ollie Williams, Jerry P Weir
BACKGROUND: The single radial immunodiffusion (SRID) assay, the accepted method for determining potency of inactivated influenza vaccines, measures an immunogenic form of the influenza hemagglutinin. Nevertheless, alternative methods for measuring vaccine potency have been explored in order to address some of the weaknesses of the SRID assay, including limited sensitivity and the requirement for large amounts of standardized reagents. Monoclonal antibody (mAb)-based potency assays also have the ability to detect and measure relevant immunogenic forms of HA...
November 20, 2017: Influenza and Other Respiratory Viruses
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