keyword
MENU ▼
Read by QxMD icon Read
search

Influenza

keyword
https://www.readbyqxmd.com/read/29453856/defective-rna-sensing-by-rig-i-in-severe-influenza-virus-infection
#1
Sofie Eg Jørgensen, Mette Christiansen, Laura Barrett Ryø, Hans Henrik Gad, Jakob Gjedsted, Peter Staeheli, Jacob Giehm Mikkelsen, Merete Storgaard, Rune Hartmann, Trine Hyrup Mogensen
Influenza virus infection causes worldwide seasonal epidemics. Although influenza usually is a mild disease, a minority of patients experience very severe fulminating disease courses. Previous studies have demonstrated a role for type I interferon (IFN) in antiviral responses during influenza. However, IFN regulatory factor (IRF)7 deficiency is so far the only genetic cause of severe influenza described in humans. In this study we present a patient with severe influenza A virus (IAV) H1N1 infection during the 2009 Swine Flu pandemic...
February 17, 2018: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29453852/a-sulfonozanamivir-analogue-has-potent-anti-influenza-virus-activity
#2
Ádám Hadházi, Linghui Li, Benjamin Bailly, Andrea Maggioni, Gael Martin, Larissa Dirr, Jeffrey Dyason, Robin Thomson, George Gao, Anikó Borbás, Thomas Ve, Mauro Pascolutti, Mark von Itzstein
Influenza virus infection continues to cause significant, often severe, respiratory illness worldwide. A validated target for development of anti-influenza agents is the viral surface protein sialidase. In the current study, we have discovered a highly potent inhibitor of influenza virus sialidase, based on a novel sialosyl sulfonate template. The synthesised 3-guanidino sialosyl α-sulfonate, a sulfonozanamivir analogue, inhibits virus replication in vitro at a nanomolar level, comparable to that of anti-influenza drug zanamivir...
February 17, 2018: ChemMedChem
https://www.readbyqxmd.com/read/29453796/using-a-hospital-admission-survey-to-estimate-the-burden-of-influenza-associated-severe-acute-respiratory-infection-in-one-province-of-cambodia-methods-used-and-lessons-learned
#3
Rebekah J Stewart, Sovann Ly, Borann Sar, Vanra Ieng, Seng Heng, Kheng Sim, Chiedza Machingaidze, Katherine Roguski, Erica Dueger, Ann Moen, Reiko Tsuyuoka, A Danielle Iuliano
BACKGROUND: Understanding the burden of influenza-associated severe acute respiratory infection (SARI) is important for setting national influenza surveillance and vaccine priorities. Estimating influenza-associated SARI rates requires hospital-based surveillance data and a population-based denominator, which can be challenging to determine. OBJECTIVES: We present an application of the World Health Organization's recently developed manual (WHO Manual) including hospital admission survey (HAS) methods for estimating the burden of influenza-associated SARI, with lessons learned to help others calculate similar estimates...
February 16, 2018: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/29453412/pulmonary-antigen-encounter-regulates-the-establishment-of-tissue-resident-cd8-memory-t-cells-in-the-lung-airways-and-parenchyma
#4
Sean R McMaster, Alexander N Wein, Paul R Dunbar, Sarah L Hayward, Emily K Cartwright, Timothy L Denning, Jacob E Kohlmeier
Resident memory CD8 T (T RM ) cells in the lung parenchyma (LP) and airways provide heterologous protection against influenza virus challenge. However, scant knowledge exists regarding factors necessary to establish and maintain lung CD8 T RM . Here we demonstrate that, in contrast to mechanisms described for other tissues, airway, and LP CD8 T RM establishment requires cognate antigen recognition in the lung. Systemic effector CD8 T cells could be transiently pulled into the lung in response to localized inflammation, however these effector cells failed to establish tissue residency unless antigen was present in the pulmonary environment...
February 16, 2018: Mucosal Immunology
https://www.readbyqxmd.com/read/29453059/lessons-learned-from-research-and-surveillance-directed-at-highly-pathogenic-influenza-a-viruses-in-wild-birds-inhabiting-north-america
#5
REVIEW
Andrew M Ramey, Thomas J DeLiberto, Yohannes Berhane, David E Swayne, David E Stallknecht
Following detections of highly pathogenic (HP) influenza A viruses (IAVs) in wild birds inhabiting East Asia after the turn of the millennium, the intensity of sampling of wild birds for IAVs increased throughout much of North America. The objectives for many research and surveillance efforts were directed towards detecting Eurasian origin HP IAVs and understanding the potential of such viruses to be maintained and dispersed by wild birds. In this review, we highlight five important lessons learned from research and surveillance directed at HP IAVs in wild birds inhabiting North America: (1) Wild birds may disperse IAVs between North America and adjacent regions via migration, (2) HP IAVs can be introduced to wild birds in North America, (3) HP IAVs may cross the wild bird-poultry interface in North America, (4) The probability of encountering and detecting a specific virus may be low, and (5) Population immunity of wild birds may influence HP IAV outbreaks in North America...
February 13, 2018: Virology
https://www.readbyqxmd.com/read/29453058/antigenic-and-genetic-evolution-of-contemporary-swine-h1-influenza-viruses-in-the-united-states
#6
Daniela S Rajao, Tavis K Anderson, Pravina Kitikoon, Jered Stratton, Nicola S Lewis, Amy L Vincent
Several lineages of influenza A viruses (IAV) currently circulate in North American pigs. Genetic diversity is further increased by transmission of IAV between swine and humans and subsequent evolution. Here, we characterized the genetic and antigenic evolution of contemporary swine H1N1 and H1N2 viruses representing clusters H1-α (1A.1), H1-β (1A.2), H1pdm (1A.3.3.2), H1-γ (1A.3.3.3), H1-δ1 (1B.2.2), and H1-δ2 (1B.2.1) currently circulating in pigs in the United States. The δ1-viruses diversified into two new genetic clades, H1-δ1a (1B...
February 13, 2018: Virology
https://www.readbyqxmd.com/read/29453018/-management-of-rhinosinusitis-in-primary-care
#7
N Gómez Gabaldón, C Manzanares Arnaiz, L Noguero Cánovas, J Juan Armas
Acute rhinosinusitis is an important health problem. Even though its frequency is not well documented in our country?, the economic burden it bears is not insignificant as it notably alters the quality of life of affected patients. Its diagnosis is generally clinical in nature, with further studies reserved only for the differential diagnoses of complications or tumour-like processes. The most frequent causes are viral infections, although Streptococcus pneumoniae and Haemophilus influenzae are the most commonly isolated bacterial agents...
February 13, 2018: Semergen
https://www.readbyqxmd.com/read/29452746/update-can-newer-rapid-influenza-tests-rule-out-disease
#8
EDITORIAL
Katie Pettit, Julie L Welch
No abstract text is available yet for this article.
February 13, 2018: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/29452497/no-signal-of-interactions-between-influenza-vaccines-and-drugs-used-for-chronic-diseases-a-case-by-case-analysis-of-the-vaccine-adverse-event-reporting-system-and-vigibase
#9
Carla Carnovale, Emanuel Raschi, Luca Leonardi, Ugo Moretti, Fabrizio De Ponti, Marta Gentili, Marco Pozzi, Emilio Clementi, Elisabetta Poluzzi, Sonia Radice
BACKGROUND: An increasing number of reports indicates that vaccines against influenza may interact with specific drugs via drug metabolism. To date, actual impact of vaccine-drug interactions observed in the real world clinical practice has not been investigated. RESEARCH DESIGN AND METHODS: From VAERS and VigiBase, we collected Adverse Event Following Immunization (AEFI) reports for individuals receiving vaccines against influenza recorded as suspect and selected cases where predictable toxicity was recorded with oral anticoagulants, antiepileptics and statins (i...
February 16, 2018: Expert Review of Vaccines
https://www.readbyqxmd.com/read/29452380/relative-vaccine-effectiveness-of-high-dose-versus-standard-dose-influenza-vaccines-among-veterans-health-administration-patients
#10
Yinong Young-Xu, Robertus Van Aalst, Salaheddin M Mahmud, Kenneth J Rothman, Julia Thornton Snider, Daniel Westreich, Vincent Mor, Stefan Gravenstein, Jason K H Lee, Edward W Thommes, Michael D Decker, Ayman Chit
Background: To examine whether a high-dose inactivated influenza vaccine was more efficacious in preventing hospitalizations than a standard-dose vaccine in the Veterans Health Administration (VHA) senior population. Methods: This study estimated the relative vaccine effectiveness (rVE) of high-dose versus standard-dose using a retrospective cohort of VHA patients 65 years of age or older in the 2015-16 influenza season. To adjust for measured confounders, we matched each high-dose recipient with up to four standard-dose recipients vaccinated at the same location within a two-week period and having two or more pre-existing medical co-morbidities...
February 14, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29452372/impact-of-timing-of-influenza-vaccination-in-pregnancy-on-transplacental-antibody-transfer-influenza-incidence-and-birth-outcomes-a-randomized-trial-in-rural-nepal
#11
Joanne Katz, Janet A Englund, Mark C Steinhoff, Subarna K Khatry, Laxman Shrestha, Jane Kuypers, Luke C Mullany, Helen Y Chu, Steven C LeClerq, Naoko Kozuki, James M Tielsch
Background: Maternal influenza vaccination protects mothers and their infants in low resource settings but little is known about whether the protection varies by gestational age at vaccination. Methods: Women of childbearing age in rural southern Nepal were surveilled for pregnancy, consented and randomized to receive maternal influenza vaccination or placebo, with randomization stratified on gestational age (17-25 or 26-34 weeks). Enrollment occurred in two annual cohorts and vaccinations occurred from April 2011 through September 2013...
February 14, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29451984/two-component-ferritin-nanoparticles-for-multimerization-of-diverse-trimeric-antigens
#12
Ivelin S Georgiev, Michael Gordon Joyce, Rita E Chen, Kwanyee Leung, Krisha McKee, Aliaksandr Druz, Joseph G Van Galen, Masaru Kanekiyo, Yaroslav Tsybovsky, Eun Sung Yang, Yongping Yang, Priyamvada Acharya, Marie Pancera, Paul V Thomas, Timothy Wanninger, Hadi Yassine, Ulrich Baxa, Nicole Doria-Rose, Cheng Cheng, Barney S Graham, John R Mascola, Peter D Kwong
Antigen multimerization on a nanoparticle can result in improved neutralizing antibody responses. A platform that has been successfully used for displaying antigens from a number of different viruses is ferritin, a self-assembling protein nanoparticle that allows the attachment of multiple copies (twenty-four monomers or eight trimers) of a single antigen. Here we design two-component ferritin variants that allow the attachment of two diverse antigens on a single particle in a defined ratio and geometric pattern...
February 16, 2018: ACS Infectious Diseases
https://www.readbyqxmd.com/read/29451834/influenza-vaccination-2014-2015-results-of-a-survey-conducted-among-general-practitioners-in-italy
#13
Miriam Levi, Paolo Bonanni, Marco Biffino, Michele Conversano, Maria Corongiu, Paolo Morato, Tommasa Maio
Introduction The aim of the present study was to evaluate orientation, organizational procedures implemented and difficulties faced by general practitioners (GPs) during the 2014/15 seasonal influenza vaccination programme, as well as GPs' general attitude towards vaccinations. Methods An ad hoc online survey was developed and administered to general practitioners members of the Italian Federation of GPs (Federazione Italiana Medici di Medicina Generale - FIMMG). Overall, 10,000 survey invitations were sent...
February 16, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29451833/development-and-pilot-testing-of-a-text-message-vaccine-reminder-system-for-use-during-an-influenza-pandemic
#14
Jonathan D Lehnert, Alex Shevach, Sydney Walker, Rose Wang, Thomas J Fitzgerald, Samuel B Graitcer
In an influenza pandemic, two vaccine doses administered 21 days apart may be needed for individuals of all ages to achieve seroprotection. Achieving dose-series completion can be challenging even for routinely recommended vaccines. To prepare for a two-dose influenza pandemic vaccine campaign and promote dose-series completion and correct dosing intervals, CDC and its partners developed a text message-based vaccine reminder system to remind persons who receive a first dose of pandemic influenza vaccine to receive the second dose...
February 16, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29451492/extreme-heterogeneity-of-influenza-virus-infection-in-single-cells
#15
Alistair B Russell, Cole Trapnell, Jesse D Bloom
Viral infection can dramatically alter a cell's transcriptome. However, these changes have mostly been studied by bulk measurements on many cells. Here we use single-cell mRNA sequencing to examine the transcriptional consequences of influenza virus infection. We find extremely wide cell-to-cell variation in the productivity of viral transcription - viral transcripts comprise less than a percent of total mRNA in many infected cells, but a few cells derive over half their mRNA from virus. Some infected cells fail to express at least one viral gene, but this gene absence only partially explains variation in viral transcriptional load...
February 16, 2018: ELife
https://www.readbyqxmd.com/read/29451040/pulmonary-delivery-of-influenza-vaccine-formulations-in-cotton-rats-site-of-deposition-plays-a-minor-role-in-the-protective-efficacy-against-clinical-isolate-of-h1n1pdm-virus
#16
Yoshita Bhide, Jasmine Tomar, Wei Dong, Jacqueline de Vries-Idema, Henderik W Frijlink, Anke Huckriede, Wouter L J Hinrichs
Administration of influenza vaccines to the lungs could be an attractive alternative to conventional parenteral administration. In this study, we investigated the deposition site of pulmonary delivered liquid and powder influenza vaccine formulations and its relation to their immunogenicity and protective efficacy. In vivo deposition studies in cotton rats revealed that, the powder formulation was mainly deposited in the trachea ( ∼ 65%) whereas the liquid was homogenously distributed throughout the lungs ( ∼ 96%)...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29450994/simpterpenoid-a-a-meroterpenoid-with-a-highly-functionalized-cyclohexadiene-moiety-featuring-gem-propane-1-2-dione-and-methylformate-groups-from-the-mangrove-derived-penicillium-simplicissimum-ma-332
#17
Hong-Lei Li, Rui Xu, Xiao-Ming Li, Sui-Qun Yang, Ling-Hong Meng, Bin-Gui Wang
Simpterpenoid A (1), an unprecedented meroterpenoid possessing a highly functionalized cyclohexadiene moiety (ring C) featuring gem-propane-1,2-dione and methylformate groups, was characterized from mangrove-derived Penicillium simplicissimum MA-332. Due to the highly oxygenated and functionalized ring C and lack of some key correlations, the unambiguous assignment of the planar structure and steric configuration was solved by X-ray crystallographic analysis. Compound 1 exhibited inhibitory activity against influenza neuraminidase in nanomolar quantities...
February 16, 2018: Organic Letters
https://www.readbyqxmd.com/read/29449842/pan-influenza-a-protection-by-prime-boost-vaccination-with-cold-adapted-live-attenuated-influenza-vaccine-in-a-mouse-model
#18
Yo Han Jang, Joo Young Kim, Young Ho Byun, Ahyun Son, Jeong-Yoon Lee, Yoon Jae Lee, Jun Chang, Baik Lin Seong
Influenza virus infections continually pose a major public health threat with seasonal epidemics and sporadic pandemics worldwide. While currently licensed influenza vaccines provide only strain-specific protection, antigenic drift and shift occasionally render the viruses resistant to the host immune responses, which highlight the need for a vaccine that provides broad protection against multiple subtypes. In this study, we suggest a vaccination strategy using cold-adapted, live attenuated influenza vaccines (CAIVs) to provide a broad, potent, and safe cross-protection covering antigenically distinct hemagglutinin (HA) groups 1 and 2 influenza viruses...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29449345/antimicrobial-activity-of-a-novel-bioengineered-honey-against-non-typeable-haemophilus-influenzae-biofilms-an-in-vitro-study
#19
Rachel S Newby, Matthew Dryden, Raymond N Allan, Rami J Salib
The opportunistic pathogen non-typeable Haemophilus influenzae (NTHi) plays an important role in many chronic respiratory diseases including otitis media, chronic rhinosinusitis, cystic fibrosis and chronic obstructive pulmonary disease. Biofilm formation has been implicated in NTHi colonisation, persistence of infection and recalcitrance towards antimicrobials. There is therefore a pressing need for the development of novel treatment strategies that are effective against NTHi biofilm-associated diseases. SurgihoneyRO is a honey-based product that has been bioengineered to enable the slow release of H 2 O 2 , a reactive oxygen species to which H...
February 15, 2018: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29449342/epilepsy-in-children-after-pandemic-influenza-vaccination
#20
Siri E Håberg, Kari M Aaberg, Pål Surén, Lill Trogstad, Sara Ghaderi, Camilla Stoltenberg, Per Magnus, Inger Johanne Bakken
OBJECTIVES: To determine if pandemic influenza vaccination was associated with an increased risk of epilepsy in children. METHODS: Information from Norwegian registries from 2006 through 2014 on all children <18 years living in Norway on October 1, 2009 was used in Cox regression models to estimate hazard ratios for incident epilepsy after vaccination. A self-controlled case series analysis was used to estimate incidence rate ratios in defined risk periods after pandemic vaccination...
February 15, 2018: Pediatrics
keyword
keyword
2663
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"